When someone experiences a heart attack, cells in their heart die. Scientists have found two ways to replace the lost cells in rodents. The techniques may one day work in us.
The North Star is one of the most famous stars in the sky, even though it is not the brightest star. What kind of star is the North Star, and why is it so special?
What different species of animals can interbreed and how is it possible? From mules to ligers learn all about hybrids in this comprehensive article.
A fascinating look at the amazing hummingbird, one of nature's most beautiful creatures. The four most common hummingbirds found in Las Vegas and in the Mojave Desert.
This article explains with clear text, illustrations and videos all about diffusion, osmosis, active transport, surface to volume ratio and the temperature and concentration gradients in cell biology.
Take a tour of Prokaryotes: The most numerous organisms on our planet. Complete with quizzes, videos, links and summary tables. Excellent for A-level and higher
This hub answers tricky biology questions including 'What is Brainfreeze?', 'How Safe are X-Rays?', and 'What are Goosebumps' from my experience teaching biology
I have always wondered, do ducks eat fish? I mean they do float in the pond most of the day, right? Well, it turns out ducks, being the omnivorous foragers that they are, eat just about anything.
After you die, your body has valuable uses for medical science -- from education to restoring health to cosmetic surgery. Who wants your corpse? And what will they do with it? You may be surprised!
In this article, you will find a comparison of the Sun's size with the largest stars in the Milky Way. You will really be surprised how big some of these stars are with respect to the Sun or how small the Sun is to them.
Irises are beautiful flowers that have a wide variety of colours. Some are used to make orris root, which has a lovely scent but can cause an allergic response.
Rainforests are the natural world's powerhouse of diversity. Estimates of species numbers run as high as 50 million, and it is the trees that capture the energy that drives the forest...
What were the most destructive natural disasters in the history of our planet? Earth has weathered many hurricanes, earthquakes, and tsunamis. Are humans responsible for some of these disasters?
Niagen is a precursor in the formation of NAD+ which has been linked to several beneficial effects, including reversing signs of aging.
To work out a fraction of a number all you need to do is divide the number by the denominator of the fraction and multiply this answer by the numerator. Example 1 Work out 3/8 of 48. First of all divide 48 by the denominator: 48 ÷ 8 =...
Hunting for morel mushrooms in Southern Oregon is well worth the effort. Here is a guide for those who love to hunt morels and hike in spring in the woods.
The great horned owl is an avian apex predator. Possibly this bird is the finest predator to have ever lived.
Need high school geometry homework help? This Math Made Easy! Geometry Tutorial explains how to find the circumference of a circle with easy to follow problems and solutions.
Foxgloves are beautiful but poisonous flowers in the wild and in the garden. They contain digitalis, which is a useful heart medication but can also be dangerous.
Pitcher plants produce cups that trap and digest prey. The digestive enzymes of one species can break down gluten and may help people with celiac disease.
Exciting disciplines that combine biology and math include biostatistics, epidemiology, bioinformatics, mathematical biology, and population ecology. The disciplines offer interesting careers.
This article suggests a list of the thirteen greatest airplanes of all time, emphasizing the importance of each during its time and place in world history.
Coral bleaching is an event in which corals lose their pigment and main source of food. It often causes corals to die. Oxybenzone in sunscreens may contribute to coral bleaching.
Here's a look at the Oklahoma state bird, the Scissor-Tailed Flycatcher, along with Deb Hirt's one of a kind photos. Come take a walk with her into the world of this beautiful bird.
Caracal - Adaptations and Facts - The caracal has a number of anatomical and behavioral adaptations that ensure its success in a diverse variety of habitats.
The reactions of matter whether occurring in natural processes or in the laboratories can be interpreted using another language of chemistry – the equation. A chemical reaction transforms one or more substances into a set of different substances. The substances that enter into a chemical reaction are called reactants and the substances formed are the products.
What separates human language from that of other animals. Can animal communication exhibit some of the qualities, such as displacement and dual patterning, which are said to set human language apart?
In winter, the Narcisse Snake Dens contain the world's largest concentration of red-sided garter snakes. The snakes are non-venomous and are sometimes kept as pets.
Marmots are large ground squirrels that live in mountainous areas of British Columbia. They are social and very vocal animals that often form colonies. Three species of animals are commonly known as marmots in BC. One of them—the Vancouver Island Marmot—is critically endangered.
Some of the coolest, most fascinating organisms are just now being discovered by scientists, and not only at the bottom of the ocean, either.
Neurons are highly specialized cells that transmit electrical and chemical signals to target cells. Their anatomy makes them extremely efficient at receiving and transmitting these signals.
Located in Northern Ontario, Algonquin Park is home to over 2000 black bears. We'll learn about black bears facts, habitat and bust some myths surrounding the black bear.
How to learn your times tables fast. There are a few tricks to help you with your times tables and even a link to my video "How to Learn Your Times Tables Fast"
A hands-on math activity for middle schoolers. The topic being taught here is circumference and area of circles and the hands-on activity is using two different types of baked pies.
Rediscovered by David Hudson, Ormus is an m-state element used by alchemists to revitalize the mind, body, and spirit. Ormus is used for health, anti-aging, meditation, and connecting to the divine.
A look at the diversity of Arizona's Coconino National Forest and some of the wildlife that makes its home there, in the northern part of the state, including the San Francisco Peaks near Flagstaff
There are supposedly dozens if not hundreds of poisonous herbs that grow around the world. Doctors and pharmaceutical companies warn us about these herbs..yet some of these herbs are used in our meds.
Chemosynthetic bacteria are organisms whose primary source of energy comes from the chemical reactions of inorganic molecules.
This is an action research proposal which seeks to address the failure of some students to solve and analyze mathematics word problems due to poor reading comprehension.
Learn about how the four different types of volcanoes (composite, shield, cinder cone, and lava dome) form and watch videos of how they erupt.
This article looks at the basic similarities and differences between animal and plant cells, and the functions of different organelles, and how cells are adapted to perform certain functions.
Pleistocene rewilding aims to reclaim the natural world and restore it to how humans found it over 10,000 years ago. Is this a good idea?
Pentas lanceolata also known as starflower, Egyptian star clusters, Egyptian star flower & Egyptian stars is grown as a ground cover plant. Do you know that this pentas plant is also a medicinal plant
Spiders both fascinate and frighten people. Check out these weird, amazing, interesting and fun facts about spiders taken from science, history, literature and mythology with cool photos and videos.
Whenever we take a trip into the wilder areas of our planet, we potentially put our lives at risk, often by travelling without taking the time to learn how to deal with dangerous wild animals. This hub gives you all the facts you need to know...
Octopuses have fascinating abilities. Some have fins that help them move. Others demonstrate intelligence. The genome of one species is very unusual.
Exploring the phenomenon of people thinking animals are "sad" in zoos because of the expression on their faces. Can you read an animal's mind by looking at it?
Basking sharks are the second biggest fish in the oceans, and are to be found in all temperate seas of the world. Harmless plankton eaters, basking sharks spend their summers slowly swimming around on or near the surface of the water with their mouths open, filtering plankton and small fishes from the seas. In winter, they dive to great depths in the deepest oceans where they continue to feed off plankton from the foot of water columns.
This article will introduce the reader to several flowers that don't exactly look like flowers, but more like...something else.
Although an enduring symbol of the American southwest, the roadrunner isn't as common as you might think. If you haven't had the good fortune to have one run across your path, here's an introduction.
Parasites are everywhere. They live on your skin, in your hair and even inside you! Some are harmless, many are necessary for health, and a few are DEADLY. Let's find out more about crazy PARASITES...
There are many methods used to cool the transformer. This article helps you to understand the various cooling methods followed in the transformer.
Russia's domesticated silver fox experiment gives genetic clues to the process of animal domestication. Wild foxes from fur farms have been domesticated and made available for the pet trade.
The hull (or outerlayer) of a corn kernel is made up of mostly cellulose. Cellulose does not break apart easily when chewed and we humans don't have the enzyme to break it down.
A detailed guide explaining everything you need to know about the water cycle, processes and the different types of rainfall all explained with beautiful diagrams.
Social and environmental issues that disrupt the order of the ecosystem. Issues that affects human lives for its wrath and bad effects.
A look at the active ingredients in Clorox wipes and Clorox Clean-up and a description of how they work on a scientific level.
Discover 5 of the most terrifying prehistoric predators that lived in ice age North America during the time of the megafauna.
Simple question, but no simple answer. The easternmost point in the US is up for debate. The location of the first sunrise in the US depends on the season. While West Quoddy Head is the easternmost point in the continental US, it only sees the first sunrise 34 days a year. Cadillac Mountain on Mound Desert Island sees it first in the winter. Mars Hill Mountain sees it first in the summer. Mount Katahdin, the highest point in Maine, never sees it first.
The bunya pine produces huge and often very heavy cones. Its large seeds are both edible and tasty. The tree has a strange appearance and some unusual features.
This is a list of some of the endangered flowers in the world, some of which are no longer found in the wild and are cultivated and grown in botanical gardens for preservation into posterity.
The Ethiopian wolf lives in Africa at high elevations. It's the most endangered member of the dog family, or the Canidae. The animal faces some serious threats.
Landfills are the method of choice for disposing of the world's garbage. By means of a comprehensive chart, you will be able to learn about fifteen of the largest landfills in the world.
Have humans negatively affected the earth's water cycle? If so, what can we do to reverse it? Here are some interesting facts about the water cycle you may not have learned in school, some of which might help you answer.
TLC chromatography or thin layer chromatography is an analytical technique for easy identification of photo-constituents.
Understanding the construction and general functions of the nervous system can assist in identifying the nervous system's role on human behavior.
Which prehistoric monster ruled the ancient sea, the Megalodon shark or Livyatan (Leviathan) Melvillei, the massive predatory whale?
Some of us fall asleep quickly, some toss and turn before drifting off - but we all fall asleep sooner or later. Here's the science behind why we go to sleep.
Meet Zoe, the only Golden Zebra know to be in captivity today. Zoe is not an albino, she has a condition called amelanism. Read more about Zoe, the rare golden zebra.
Portugal is wonderful for foraging because of the great diversity of edible plants that grow there. There are many herbs too that can be found growing wild, including fennel and milk thistle.
A redox reaction is a reaction that involves both oxidation (the loss of electrons) and reduction (the gain of electrons). In order to identify whether a reaction is redox or not, you can write separate half equations that show how electrons are...
The grey wolf is a longtime foe of mankind, and yet, the grey wolf is also responsible for providing to us our dearest animal friend - the domestic dog. Some people love them as much as others do not.
What are the differences between the three types of human muscles? Find examples and complete descriptions of cardiac, smooth, and skeletal muscles.
As a teacher, particles are one of the first topics I teach pupils upon entering High School. This hub investigates the weird and wonderful world of particles. How do you draw particle diagrams? How many states of matter are there? What is Plasma? What is absolute zero?
A compound shape is a shape that is made up from other simple shapes. In this article we will be working out the area of a L shape (made up from 2 rectangles). To find the area of a compound shape, follow these simple steps: Step 1: Work out the...
A pair of Eastern Bluebirds make their home in a backyard nesting box. Photos of bluebirds, bluebird nests and baby bluebirds included. Tips on attracting bluebirds to your backyard.
Although the highest point in the country reaches no loftier elevation than 568 feet (173 meters), Denmark is a land of scenic variety and beauty. Its landscape shifts from open farmland to beech forest,
Land subsidence caused by groundwater withdrawal poses a significant threat to governments, businesses, and the general public.
Buchholz relay is a type of protection relay universally used on all oil immersed transformers having rating more than 500 kVA. From this article its principle and working can be understood.
Adrenaline or epinephrine is a hormone made by the adrenal gland. It plays an important role in the fight or flight response and in treating anaphylaxis.
Biologists were shocked when a strange prehistoric animal was found alive in 1938. The Coelacanth was presumed extinct for 65 million years.
Working out the odds of an event occurring allows us to estimate the number of times that event will take place in future trials. Permutations/combinations are also an important part of the analysis.
How many eyes does a spider have? Why do they need so many eyes? Find these answers and see beautiful pictures of spiders' eyes.
The Himalayan blackberry is a beautiful plant in spring and summer. It produces delicious blackberries, but it's an invasive species and grows aggressively.
Wild horses live in many different parts of the US and Canada. They form herds, eat, and live just like they did in the past. Finding them is easy - protecting them is getting more difficult.
The wonderpus octopus is a beautiful animal found around Indonesia and Malaysia. It resembles a mimic octopus, which has an amazing ability to mimic other animals.
This contains facts and information about the world’s most deadly animals on land, water, and air. Some are able to live symbiotically with humans while others are better left in the wild.
A magnet is an object that has a magnetic field strong enough to influence other materials. The molecules in a magnet are aligned to all face one way, which gives the magnet its magnetic field. Sometimes the molecules can align permanently, making a...
Evolution has produced a multitude of predators down the ages, but which were the deadliest of all time?
Neil deGrasse Tyson is an astrophysicist who does scholarly research but also can explain cosmology to the average person. I provide a bio and include some quotes that reveal the inner man.
Ants may have been the first creatures to learn how to work together in a colony, build cities, and practice agriculture. Learn this and many more fascinating facts about ants here.
To say there are quite a few different use of a coconut is a huge understatement, there are hundreds of uses of this fruit of the Palm Tree. Every part of the coconut and the tree has a purpose.
Great wild mushroom photos! Learn why mushrooms and fungi are important and what they do in addition to providing food.
Learn what trigonometry is and get a view of this area of mathematics throughout history—its development, uses, and why it's important.
Cone snails use their venom to paralyze their prey. Although the venom is often dangerous for humans, it contains chemicals that have important medical uses.
Vertebrates are a sub-phylum of animals that possess a spinal cord and backbone. But this doesn't mean that they all look the same. This hub looks at the five major vertebrate groups and what makes them unique.
Photographs of and information about red-bellied woodpeckers in southeastern Louisiana are featured in this article. They are permanent residents of our habitat and we have photographed them throughout the year.
Fishing cats are wild animals that feed primarily on fish and are at ease in water. Unfortunately, their population is in trouble due to habitat destruction.
Together with many social and economic benefits of urbanization, there are also environmental problems. Cities comprise less than 3% of the Earth's surface, but there is a massive local pollution.
Spiders are fascinating animals that help us by removing harmful insects from the environment. Spider silk is very strong and is potentially useful for humans.
Some animals absorb chloroplasts or algal cells, which make food inside the animal's body. At least one kind of animal can make electricity from solar energy.
If you are worried about the possible presence of dangerous sharks in British waters, you may feel somewhat reassured by how few there really are. Out of the 29 different types of sharks that have been spotted around Britain's coastline, there are only 7 potentially dangerous sharks, not including the great white whose sightings have never yet been confirmed, but are highly suspected of being present.
This hub explain how do we use c++ bitset class to represent binary numbers and check individual bit fields in it.
Though it may be hard to imagine a world without the moon, many have dared to wonder. What results from its absence has more profound effects than we could have known.
A summary of the Franck-Hertz experiment and how it helped to demonstrate the early quantum theory. Explanations are given for the apparatus used and the graphs that are obtained from the experiment.
Zenos Paradox has been around since before Christ and has baffled many people. An explanation and debunking of the paradox; why it is no paradox at all but a simple mathematical description of what we see happening all around us.
Step-by-step guide to multiplying different types of polynomials. Learn how to multiply binomials using the FOIL method. Use the grid method and know why it's the best way to multiply polynomials.
Lobsters are interesting animals to observe and study in a natural setting. They are popular food items, but the way in which we kill them is controversial.
Second Beach at Port St John's, South Africa, has earned the reputation of being the most dangerous beach in the world for shark attacks, after suffering 6 fatalities in just six years.
Lapidary jokes, fossicking jokes, prospecting jokes, rockhound jokes, geology jokes and many more funny jokes, puns and short tales for lapidarians, rockhounds and jewellery enthusiasts.
Due to the threats encountered by mountain gorillas, it was once thought that they might be extinct by the end of the 20th century. Conservation efforts are helping the species to recover.
This article features photos of some of the world's most beautiful and unique birds along with interesting facts about each one!
This article aims to answer some tricky chemistry questions I have come across in my experience as a high school teacher: What is an acid? How do fireworks change color? How do glow sticks work?
What is the rarest blood type? This is an important question since blood transfusion has become a big part of modern medicine.
If we don't have bees, we won't have food. Amazing facts on the frightening loss of bees across the globe. Story and video on why we need bees.
A lot of people confuse locusts with cicadas, but they actually differ in many ways. Here are a few of the main differences.
Noah provides a candid look at some of the realities of writing an OS, the benefits of taking on the task, the experience needed to get started, and shares some of his own personal mistakes.
Guide to the different tests you can perform on unknown bacteria to identify it. These methods are really important in many fields when you are faced with an unknown sickness or contamination.
Bacteria in the genus Yersinia have major effects on our lives. One species causes bubonic, septicemic, and pneumonic plague. Others cause foodborne illness. One may eventually help to treat cancer.
Having a surgical biopsy taken can be traumatic. Waiting for results adds to the stress. Here is a step by step description of how biopsy tissue is processed in the histopathology laboratory.
A description of the historic oil drop experiment that was performed by Robert Millikan to determine the electrical charge of the electron. Included is a diagram of the apparatus used and a discussion of the forces acting on the oil droplets.
What makes the Cretaceous sea worse than any other in history is that there isn't just one predator to worry about, but a whole collection of them, including sharks, lightning fast killer fish and fearsome giant marine reptiles called mosasaurs.
Cougars and an unidentified large black cougar-like cat have been sighted in North East North Carolina as recently and September 2011.
This is a list of 27 basic pieces of laboratory equipment you would find in a general chemistry lab. Each is named, explained, and shown in a picture.
The American crow though intelligent, mischievous and resourceful, many people love to hate this bird. Learn why?
Wheels are to be found everywhere and have been used since ancient times. But why do we use them and what is the science behind how they work?
The heterozygote advantage is shown in several genetic diseases: cystic fibrosis heterozygotes are resistant to cholera, thalassemia trait confers a benefit for coronary artery disease.
Barium is an elusive element with not many industrial uses when compared with other metals such as aluminum. However, from a medical drink to rat poison, it would be inaccurate for one to say it didn't have an interesting array of applications.
Drawing circles and arcs in HTML5 can be quite a challenge. In this tutorial I explain how to draw circles and arcs and how the angles of arcs are measured. This tutorial contains many examples.
Principle of operation of transformers can be easily understood from this article. Basic working principle of the transformer is mentioned very clearly and briefly
The rapid development of land for use by humans all over Asia poses a serious threat to many animal species, and many Asian governments do too little too late to protect their own environments.
Lichens are interesting organisms that are important in their environment and useful for humans. Some produce chemicals that are potentially dangerous for us, however.
Learn about the different types of computer languages and how they are different from one another. Compare their advantages and disadvantages.
Most plants in the same family have similar characteristics. These similar characteristics can mostly be seen in their flowers.
About 74,000 years ago, a volcanic explosion on the island of Sumatra threw so much ash into the atmosphere that all human life may have been threatened.
Ballistics is a branch of mechanics which deals with the motion of projectiles launched into the air or space. Solving these type of problems involves using Newton's equations of motion
When do babies’ eyes change color? Here you'll see some entertaining and informative answers to this question. You'll also see how babies gradually get to their genetically assigned eye color.
Whether you enjoy hosting fun parties or want a creative way to make your science presentation come to life, here are easy instructions to bake a scrumptious, scientifically-accurate animal cell cake.
Interstitial fluid bathes cells, giving them nutrients and removing wastes. The interstitium is the space containing the fluid. Some scientists believe that fluid-filled spaces in the body are connected, forming an organ. The spaces may play a role in transporting cancer cells.
Galileo not only spotted new objects in the sky but also laid the groundwork for advancements in physics. What were they?
The astrolabe has been used by mariner's for centuries. Although its use has largely fallen by the wayside due the development of more sophisticated instruments such as telescopes and GPS, it is still an instrument worthy of study. Build your own simple astrolabe to determine your latitude as did the ancient sailors or use it in conjunction with trigonometry to determine the height of a very tall object!
There are so many different types of crabs around the world. Find out more about these fascinating animals here.
Cicadas come out once every 13 or 17 years. I have learned a lot about Cicadas through my children and just being in an area that has tons of Cicadas.
An amoeba is a one-celled creature with interesting features. Amoeboid organisms live in the environment and in our body. Some are harmless, but others cause disease.
Because caffeine is a substance used by the young and old in every country and on every continent its effects affect billions. In order to better understand these effects we must examine first where and why caffeine exists. We must observe its impact in nature on animals, plants and the environment that reveal the potential ways in which it can change, even destroy, life. Then, we will look at how it relates specifically to us, at the many pathways it impacts in our bodies once we ingest it, a
At the dawn of civilization, people worshiped the Sun as a divine being. Today, science has solved many of its mysteries. Here are ten fun, interesting and surprising facts about our nearest star.
Keeping your favorite recipes organized is a challenge for many of us. Create your own recipe database and never have to hunt for your recipes again.
Some of the most majestic endangered species are the big cats. There are many different cats that are endangered, including: ocelots, jaguars, bengal tigers, and sumatran tigers.
Overcrowding isn't good for plants. What are some of the tools and tricks plants use to spread their seeds. Read on an find out.
The frilled shark is a strange, deep water shark with a wide head, a huge mouth, and a long, eel-like body. It’s caught as bycatch and is near threatened.
An interesting hub on velvety cushion like mites called the Red velvet mites, that are found in almost all terrestrial habitat and belong to the family Trombidiidae
The difference between the colossal and giant squid, the real sea monsters that spawned the kraken legend, is about more than just size!
We should be less concerned with being for or against wolves and more concerned with how humans and wolves can better coexist.
Regression equations are frequently used by scientists, engineers, and other professionals to predict a result given an input. These equations have many applications and can be developed with relative ease. In this article I show you how easy it is to create a simple linear regression equation from a small set of data.
Learn interesting facts about the behavior of the blue jay, view pictures, and learn how to keep this bully away from your bird feeder.
Tsunamis cause have whenever they hit - death, destruction and carnage. Find out the exact effects on land and in the sea.
Paper chromatography is a type of planar chromatography which can be performed faster and in an easy way. It is useful for detection of components in a mixture.
Giardia is an interesting parasite that causes an unpleasant intestinal disorder called giardiasis. Understanding the parasite's features and behaviour may lead to better treatments for the disorder.
Is Nibiru, the legendary Planet X, a real threat bring to doomsday to our planet? Could it be closer than we feared?
Dr. Edwin A. Menninger introduced the flowering tree, the Tabebuia, to Stuart, Florida. Through his efforts, these trees have been planted along the streets. Every spring we are reminded of this man.
Six lithium-ion battery types are compared to one another with respect to specific energy, specific power, performance, lifespan, safety, and cost.
The first of four basic guides to the night sky, and what can be seen with the naked eye or binoculars. This page identifies the many kinds of objects you can see when you look up at the night sky
Students have an excellent chance of doing well on a physics exam if they work efficiently throughout the physics course and follow some tips for writing exams.
Cockroaches. They may be icky but they've got a lot of tricks up their hard little sleeves and you might be shocked to know what they're capable of and where they came from. Turn your repulsion to fascination right here with one click. I dare you.
Large and fascinating birds, American black vultures live in the southern USA and are common in Central and South America.
Cinnabar is a beautiful but toxic red mineral made of mercury (ll) sulfide. It’s used as a source of mercury and to make an artist's pigment called vermilion.
I'm going to show you how to create simple search using PHP and MySQL. You'll learn: How to use GET and POST methods Connect to database Communicate with database Find matching database entries with given word or phrase Display results You...
15 extinct bird species of the world. From the Mauritius Island's dodo to the recently extinct Bachman's warbler.
A hydrate is a compound that absorbs water molecules and incorporates them into its structure. Inorganic, organic, and gas hydrates exist. The latter may become an important energy source.
65 million years ago, a massive asteroid crashed into the Earth. It wiped out 70 per cent of all life, including the most successful, the dinosaurs. But what if the asteroid had missed? What would the world be like today, if the dinosaurs had survived...
When I received results of genetic testing from 23andMe, I learned about our family history going back 800 years and I also got to see interesting comparisons between my sister and me. This information gave us a better understanding of issues we had while growing up, as well as future health risks.
Unique and rare Septarian brown stones among other types are found along a narrow stretch of Lake Michigan shorelines. Find out the one other place in the world they can be found.
Test which surfaces create more friction, see how strong friction is, learn how to reduce friction, and even discover the side effects of friction. There are sliding friction experiments, a phone book friction experiment, a way to make rice stick together, an experiment to create frictional heat, and lots more friction experiments for all ages.
Many animals take to the air to fly or glide. Some 'balloon' thousands of miles on the wind. This page explores the most impressive examples...
Elizabeth Kolbert's "The Sixth Extinction" won the 2015 Pulitzer for non-fiction, deservedly, for its blend of places, people, creatures and science. Get the gist in this lavishly illustrated Hub.
Biological perspective links the studies of biology and psychology. Physiological changes and genetics are believed to play a large role in the behaviors of humans and other animals. Biological perspective is the study in psychology that evaluates the physiological and genetic roots of behaviour.
Oregon grape is an attractive plant with edible berries. The plant contains berberine, which may have important health benefits.
Parasitic plants obtain their food or nutrients from another plant. The relationship may last for a long time, but sometimes the parasite kills its host.
Few people are aware of how black widow spiders contributed to the World War II effort, but they had a significant impact. In fact, a LIFE magazine article published on August 30thof 1943 credited each of several government employed arachnids with spinning between 100 and 180 feet of thread a week.This thread was then used to make cross hairs in the gunsights of U.S. Army instruments of war.
Our television sets are covered with news stories about hurricanes right now, but today's storms can't compare to those of yesterday.
Among natural hazards and disasters, earthquakes are the most dangerous and disastrous happenings on the earth's surface.
Commercial farming of one of the world’s most popular types of seafood is causing environmental degradation on a large scale and is a potential source of health issues.
Recycling plastic is essential for the well-being of our planet. Before plastic can be recycled, it must be sorted and separated, either at source or at a recycling facility. This article gives simple guidelines to easily identify different types of plastic in line with the international plastic identification code.
Nuclear decay results in the emission of three different types of radiation. Each of these types has different qualities, which contribute to their industrial uses, some closer to home than expected!
A solar flare in 1859 caused power spikes and disrupted the world's telegraph system. How much damage could a massive solar flare do to power and communications today?
Buttercups and daisies are attractive wildflowers and a lovely part of summer. Daisies have edible parts that can be used in salads, but buttercups are toxic.