Considered by Einstein to be his "greatest blunder," it in fact may describe the mysterious expansion of the universe.
Evolution has produced a multitude of predators down the ages, but which were the deadliest of all time?
Is Nibiru, the legendary Planet X, a real threat bring to doomsday to our planet? Could it be closer than we feared?
Though Pluto is no longer a planet, few know about the deep-space objects that were found which sparked that change.
Have you ever stopped and wondered why all the large and dangerous animals seem to live in Africa? Or why we seem to harbour an incurable fascination with monsters? The answers to these questions could well lie in our past, where our remote ancestors lived alongside Africa's real monsters...
Most people confuse bees, wasps, and hornets, but there are several significant differences between the three. This article was written to educate you about those differences.
This article looks at how mankind can terraform the moon and make it habitable. We'll talk about the current conditions, what needs to change, and how we might go about doing so. Comments welcome!
Octopuses have fascinating abilities. Some have fins that help them move. Others demonstrate intelligence. The genome of one species is very unusual.
Biology is the study of living organisms and there are many subfields of study under that umbrella. From anatomy to zoology, there are more than 30 different areas of study under biology.
Trig graphs are easy once you get the hang of them. Once you learn the basic shapes, you shouldn't have much difficulty. The main problems A-Level students have, in my experience, are: Remembering which is y = sin x and which is y = cos x....
The density, mass and volume triangle is as follows: So if you wanted to work out the density, you would cover up density in the magic triangle to give: Density = Mass/Volume (since mass is above volume) So if you wanted to work out the...
Learn facts about the real Megalodon shark and get answers to frequently asked questions about the biggest shark that ever existed!
(c) klanguedoc 2010. iOS SQLite Database is a tutorial that demonstrates how to create an iOS iPhone and iPad applications with a SQLite database.
If you see yellow garden spiders in the landscape, don't squash them! Be thankful. Argiope aurantia are large, bright & beautiful beneficial predators. They are also a sign of healthy garden ecology.
More than half of PhD students leave physics after earning their degree. The reasons include a lack of financial reward or job security.
Introduction The science of remote sensing has emerged as one of the most fascinating subjects over the past three decades. Earth observation from space through various remote sensing instruments has provided a vantage means of monitoring land...
Wild relatives of some major agricultural crops are in trouble. We need the genetic diversity in wild crops and the lower diversity present in cultivated ones to provide food security for the future.
A first in a series of hubs profiling the remarkable and wonderful birds that inhabit the British Isles. This particular hub explores the divers- sometimes known as loons and the magnificently plumaged grebes...
A detailed visual tour of the eukaryotic plant cell. Complete with videos, quizzes, links and summary tables. Excellent for A-level and higher.
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.
Many people accept Go Green at face value. Let's get some perspective on 150 years of conservation, preservation, ecology & green action & learn.
Gold has fascinated humans since it was first discovered. It has inspired love, poetry, art and music as well as greed, murder and warfare. Discover about gold with these amazing facts, pics, videos!
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"
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.
What are Decibel levels and why are they so important? How can you measure them and when are they too "loud"?
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?
Social and environmental issues that disrupt the order of the ecosystem. Issues that affects human lives for its wrath and bad effects.
Green, huge caterpillars in Arizona gardens have many enemies not the least of whom are the gardeners. If these hornworm caterpillars survive and pupate, they become moths with hummingbird skills.
So why do aggressive wasps always bother people? This article explores not only the problem itself, but how to avoid it and why we as humans largely cause much of the problem ourselves....
Indigo Buntings are common from southern Canada to Florida and westward to almost California. Their beauty is uncommon. Read below for more information.
Pacific white-sided dolphins are intelligent and very social animals. This article describes the lives of the wild dolphins and of some rescued animals in captivity.
The hedge bindweed or morning glory twines around other plants and interferes with their growth. Bindweed produces large and beautiful flowers in summer.
A poor defenseless gummy bear, a test tube full of liquid potassium chlorate, and a couple of slightly mad scientists; seems like the perfect set up for some absurd B-movie horror flick, does it not? Well, not quite. It is more along the lines of...
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!
The Himalayan blackberry is a beautiful plant in spring and summer. It produces delicious blackberries, but it's an invasive species and grows aggressively.
Everyone seems to love hummingbirds and are happy to see them when they come to visit - especially these great photographers who have captured them in some stunning pictures.
The dragon blood tree of Socotra Island has an unusual appearance. It secretes a red resin known as dragon's blood when its bark is injured. The resin is used in many ways.
Chloroplast and mitochondria perform vital yet different functions in cells. This article goes over their key similarities and differences.
Some think there are none, but this is a complete listing of all recorded shark attacks in British waters which may surprise you!
Sedimentary rocks are fantastic formations that each and everyone tells an amazing history! If we know what to look for, we can read about the fascinating journey the particles in the rocks have done....
Living in America's Midwest, you may encounter these venomous snakes on your travels. Learn more about these creatures and what to do if you encounter them!
Surfing the web affords us the opportunity to learn about things that we may be confused about, such as leucistic and albino animals. Some mistakenly assume all white animals have albinism.
If you are asked to work out the product of two numbers then you need to multiply the two numbers together. If you are asked to find the sum of two numbers then you need to add the numbers together.
The Swan is thought of as a beautiful aquatic bird, that is white. What about the black swan? The black swan bears a completely different color than it's white relative and is just as impressive.
Principle of operation of transformers can be easily understood from this article. Basic working principle of the transformer is mentioned very clearly and briefly
Chemical reactions take place at the molecular level, when the atoms and molecules of the things you start with (reactants) turn into something new (products). All chemical reactions can be split generally into six different categories: ...
Many probes have visited our closest neighbor so many times. But so rarely has a duo been utilized for such precise measurements. Read on to see what Ebb and Flow uncovered underneath the moon.
Have you ever wondered why some birds have iridescent patches; or why Northern Cardinals are red; or what makes Blue Jays blue? How dull would life be without the colors that punctuate our lives? Everywhere you look Mother Nature has given us a huge paint box full of colors; and she reserves her most diverse color palette for our backyard birds.
If you're like most people, you have no idea what goes on behind closed doors of your local hospital laboratory. Find out from a Medical Lab Technologist how the labs work and what lab techs do.
Some of my favorite unusual birds in North Carolina. When you live in NC you don't have to go far to the find the exotic and unusual.
Telomeres protect the ends of chromosomes. Telomerase is an enzyme that stops telomeres from shortening. Both may play a role in the aging process and in cancer development.
Abiotic factors are also known as non living organism or living things. Learn about their part and role in the ecosystem.
The Woodpecker's amazing physical characteristics make it nature's working physical machine. The more you learn about the woodpecker, the more amazed you will be.
Did you know that the peacock actually refers only to the male of the species known as the peafowl. Additionally, the peacock's train is used to attract mates and makes up more than 50% of the peacock's size. Learn more great facts about the peacock in this article.
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.
Explore Mars' two satellites: Deimos and Phobos and their role in the future of human exploration of Mars. Find facts about the mysterious Martian Moons.
Breathing (inspiration and expiration) occurs in a cyclical manner due to the movements of the chest wall and the lungs. The resulting changes in pressure, causes changes in lung volumes.
Mother Natures uses colors in weird and wonderful ways. You can see this in the eyes of people with Heterochromia iridum, people with two different colored eyes.
Saola, a rare species to sight and one of the most critically endangered species in the world, with very little information available about their behaviour and the number of individuals existing
Air flow between the lungs and the environment occurs via a pressure gradient. This hub is on the changes in alveolar and pleural pressure changes in a breathing cycle and the resulting volume changes
Gamma Ray Spectroscopy - An introductory review of germanium gamma ray detectors, and the spectroscopic methods used in the measurement of x-ray escape peaks, annihilation photons, peak summing, energy resolution, and total and photopeak efficiency.
The giant hogweed causes burns and blisters. Grapefruit juice interferes with many medicines. The chemicals that cause these effects are called furanocoumarins.
Ever wonder how spiders breathe? Learn more about the respiratory system of spiders and how it works.
This is a basic guide to what you can see on the surface on the Moon - there is as much that can be seen on the Moon with a pair of binoculars, than in the whole of the rest of the sky put together.
Clostridium perfringens is a bacterium that can have big effects on humans. It's a common cause of foodborne illness and may cause multiple sclerosis.
Learn all about the beautiful endangered species that is the Red Wolf, and where you can still see them.
Different snakes may contain different types of venom compounds, with small-scale shifts in venom composition possible within an individual snake due to age, diet, environment/captivity, and season.
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.
This will answer some questions on the Common Raven, and you will see what a great looking bird this is. Come and enjoy.
Understanding the construction and general functions of the nervous system can assist in identifying the nervous system's role on human behavior.
Rhinos were once widespread in parts of Africa and Asia, but now they are considered to be endangered.
Real Green solutions come from deep thinking about the causes of problems we created over centuries. Natural crises have deep roots in human actions.
Michael Faraday, the son of an 18th Century blacksmith, became one of the greatest scientists of his age. One of his discoveries transformed the world and changed the way we live forever.
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.
Area and perimeter can be difficult to work out if you can't remember which one is which. Here is a great hub to help you remember and also help you work out more complicated maths in compound shapes.
Do front- and rear-fanged snakes simply differ based on the location of their fangs? No, there are a few other morphological differences related to their venom delivery systems as well.
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!
For high-grade worry warts there’s now a way to determine just what will happen if their community is hit by a space invader.
Mitochondria are cell organelles that produce energy for our body. Damage to their DNA and genes can cause a mitochondrial disease, which may be serious.
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.
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
A quadrant is a quarter of a circle. So to work out the area of a quadrant, first work out the area of the whole circle (use the formula A = π ×r²) and then divide the answer by 4. Alternatively, you could substitute the radius of the quadrant...
In this guide you will learn easy ways anyone can get started in bird watching and become a birder, even if they are a total beginner!
Most venomous snakes can be quickly distinguished from other non-venomous snakes with a practiced eye. They share characteristics that will readily stand out once you've come to recognize them.
Being somewhat of a country boy, from the time I could walk I was being taught how to tell the difference between the 'dangerous' and 'not so dangerous snakes' in the wild. When I was a young child my family lived in a very rural area in Southern...
This article summarizes the threat that asteroids and comets pose to the Earth. A short history of some of the greatest asteroid impacts on Earth is also provided.
You may have heard of many famous twins, long-lost twins, and Siamese twins, but none are quite like our Ronnie and Donnie Galyon.
Humans need water to survive. In some of the driest regions on earth people are using low-tech nets to harvest droplets from mist and fog.
For eons agriculturalists have been fighting what they call "bacterial speck" on tomatoes and other crop plants, without anyone realizing that the same bacteria is at the heart of rain and snow.
A detailed article on neutral litmus paper, acids and bases, testing for acid rain, and how to make acids or bases neutral.
The arctic wolves are the least understood or studied wolves out of all the species of wolf on the planet. Living in only the most remote and extreme environments, these predators brave the cold.
Many slugs play a helpful role in their environment, although some are pests. Researchers are hoping to create useful items based on slug slime and movement.
Tomatoes are nutritious fruits with an interesting history, but they often lack flavor. Methods to improve taste and a discovery by scientists may both be helpful.
High rupturing capacity (HRC) fuses are totally enclosed fuses with definite known- high breaking capacity which have been developed after intensive research by manufacturers and supply engineers.
Members of the finch family represent all the colors of the rainbow, and more. These seed- and fruit-loving birds literally come in each of the five colors, plus white and black!
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.
Oregon grape is an attractive plant with edible berries. The plant contains berberine, which may have important health benefits.
Sometimes animals have rather unusual names. Below is a list of some amusing animal names. The list contains their names as males, females, babies and groups. I really found this rather interesting and sometimes really funny.
Great wild mushroom photos! Learn why mushrooms and fungi are important and what they do in addition to providing food.
This is about the endurance of humans during intergalactic travel, based on my studies of human survival.
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!
You are walking down the road when, "eek!" you fall into a huge pool of quicksand. There is nobody near enough to hear your cries for help. How will you escape? Can you really drown in quicksand? How can your practice escaping from quicksand from the safety of your own home? This recipe for Cornstarch Quicksand is very similar to the real thing, it is easy to make, and it even lets you walk on water.
The top 5 scariest and deadliest bugs on this earth. A list compiled from many sources to deliver to you a nightmare-inducing read that will surely have you quaking in your boots.
While both cause infection and disease, viruses and bacteria are entirely different! Read all about them and more here.
In this hub I will show you how to find the area of circle giving your answer in terms of Pi (π). First of all you need to remember the formula for calculating the area of a circle: A = πr² A stands for area, π stands for Pi and r is...
The common raven is an intelligent and interesting bird that plays an important role in folklore. The bird is found in many countries and habitats.
Polar bears are a very popular animal, but in spite of this people know so little about them. Here then are some interesting facts about these wonderful bears.
The physics of a waterfall are curious. The second law of thermodynamics says that things tend toward a more disordered state. Is the second law saying that destruction (erosion) wins over creation?
This article shows you how to multiply fractions in four easy steps. How do you multiply mixed numbers? What is an improper fraction? This article, which includes a short video, will answer all these questions and leave you with the knowledge and confidence to multiply any fractions.
The Copperhead is a dangerous pit viper found throughout the Southern United States. It is the smallest and least deadly of pit viper snakes, and should be avoided, but not killed for no reason.
Fibronectin attaches cells to the extracellular matrix and controls their behavior. It also helps to stop bleeding and is used in a fetal fibronectin test.
Though largely abandoned, the idea of a missing planet or asteroid field between Mercury and the Sun continues to intrigue us.
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.
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.
From their host-finding antics to their survival skills, ticks are amazing creatures. In some ways, they're practically superheroes of the insect world (evil superheroes, that is) with a thirst for adventure and some, well ... pretty incredible super-tick powers.
We might not be able to clone dinosaurs but did you know we are looking into "reverse engineering" them? And cloning more recently extinct animals?
Pyrosomes are strange creatures that swim in the ocean and are bioluminescent. They are undergoing a puzzling population increase off the west coast of North America.
The Y chromosome contains haplogroups which allow people to trace their family history, genes which control male development, and may actually be disappearing.
Learn about the different species of alligators including the only two known living species that exist today: The American Alligator and the Chinese Alligator.
There is a small village in Turkmenistan's Karakum Desert called Derweze (AKA Darvaza). Four miles away is a burning crater called the Gates of Hell.
What do you know about invasive spiders, scorpions and slugs? Introduced species cause big problems in the UK, so find out how the arrived and the effects they have on native species and ecosystems
In this article I want to use a specific polynomial equation to introduce the Whittaker method for finding the root that has the smallest absolute value.
A genealogy timeline can help you organise your family history and open up new lines of enquiry. Learn how to create a genealogy timeline to uncover more of your family history.
Stem can be herbaceous and woody which is one of the main structural axes of a vascular plant. t is also an important part that holds the flowers and leaves of plants.
Puffins are lovable, cute and clever birds. This article contains lots of fun facts about puffins for kids, and includes some surprises!
Land subsidence caused by groundwater withdrawal poses a significant threat to governments, businesses, and the general public.
Take a closer look at microscopy! Learn the differences between an electron and light microscope, know your resolution from your magnificaiton and learn how to correctly use a microscope.
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.
Finding the modal class from a grouped frequency table is actually quite easy to do. All you need to do is to look for the group that has the highest frequency. This is because the mode is the number that comes up the most times. Make sure you write...
The dawning of Age of Aquarius is more than just a lyric from a 1970s musical. It is a very real astronomical phenomenon that will occur in the not too distant future. To understand when this new age will occur requires a bit of understanding of the constellations of the Zodiac, as well as the dynamics of Earth's orientation in the Solar System that cause the astrological age to change over time.
The bird family Alcidae evokes images of cold, windswept, ocean escarpments or upwellings miles out to sea. The Pigeon Guillemot, however, is the "Easy" Alcid of tourist traps and public beaches.
Svalbard reindeer live on an archipelago near mainland Norway. They are the smallest subspecies of reindeer. Research indicates that they are shrinking in size.
Create beautiful custom control radio buttons and checkboxes for your iOS (iPhone, iPad) applications. Follow this simple tutorial to create radio buttons and checkboxes that fit the style of your app and requires very little code.
The Surinam toad has a strange, flattened body. During reproduction, the female’s skin absorbs the fertilized eggs and the young toads develop under her skin.
The Columbian ground squirrel is an interesting animal that is very entertaining to watch. A large population can be found in Manning Park, British Columbia.
Dinosaurs Alive is an exhibit consisting of large, animatronic animals. This article contains photos of some of the models and facts about the real animals.
Mark Lynas's "Six Degrees" is a modern classic, outlining potential effects of various levels of global warming. It's summarized, evaluated, and updated here, with links to 7 supplementary Hubs.
An illustrated guide to some of the best-smelling flowers in the Hawaiian Islands. Includes colorful pictures and resource links.
Have you wondered what triggers yawning, or why you have to yawn when you see someone else yawn? Check out this article for interesting facts about yawning.
Ecosystem is composed of biotic factors of a community of living organism interacting with one another which we can see in food chains/webs.
Parthenogenesis is the development of an egg into a complete organism without the need for fertilization by a male. This process is responsible for "virgin births" in the animal world and has been recorded in several insect, amphibian, and reptilian species.
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
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.
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
Lung compliance is the ability of the lungs to expand. Elastance measures the work that has to be exerted by the muscles of inspiration to expand the lungs. Factors affecting these are discussed here.
There are now many invasive insect species in Britain, and they can have a big impact on the environment. So let's have a look at what damage they cause and how they are affecting native species
Black holes, mysterious objects of the universe, have many different types. Do you know the differences between them all?
Scores of people tinker in basements and garages trying to make the next big thing; sadly a lot of the effort only produces strange inventions that nobody needs.
The complete guide to British birds continues with a look at the various species of dabbling ducks that inhabit the British Isles. A dabbling duck is basically a surface feeding duck.
Is the tomato a fruit or vegetable? It depends on your school of thought. Explore the topic botanically, horticulturally and from a homeowners perspective.
Forsythia is an ornamental plant that produces beautiful and abundant yellow flowers in spring. The plant is named after William Forsyth.
A time of turmoil in the solar system, much evidence is found for its lasting impact. Here we examine that and see what conclusions we can reach.
Whether for professional or academic purposes, choosing a model organism for experimentation can be a tough call. Here are some points about why zebrafish might be the animal you're looking for
Learn why some birds fly south for the winter while others do not migrate, plus find out how they navigate such long distances and where they go.
Surface tension increases the tendency of the alveoli to collapse. Surfactant decreases the surface tension in the lungs and thus decrease the work of breathing, minimizes collapse and oedema.
Epithelial tissue is a really important tissue in our bodies. Epithelial tissue lines all our body surfaces both inside and out and it also forms glands.
Have you ever discovered a snake in the wilds of Indiana and wanted to be able to identify it? Use this dichotomous key, which includes the most common physical characteristics of adult snakes.
What are Beta Brain Waves? How can beta brainwave entrainment help you to become a more focused and motivated person in school and in your job and more
A fuel is defined as a material that stores potential energy that, when released, can be used as heat energy.
Lilia A. Abron is the first black woman in the U.S., and the third woman at the University of Iowa, to receive a doctoral degree in the field of chemical engineering.
The constellation Virgo is one of the oldest-named constellations. It has a great mythological history and hundreds of galaxies and "Messier" objects within its boundaries. Find out more about the "Diamond of Virgo" and the "Field of the Nebulae."
Speed can be measured in many different ways and the instruments used to measure speed vary with the job.
Earwigs have a fearsome image but aren't dangerous. They sometimes become garden pests. Natural control methods can be very helpful in dealing with the insects.
Chemosynthetic bacteria are organisms whose primary source of energy comes from the chemical reactions of inorganic molecules.
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
Blow flies are attractive insects that feed on dead and decaying animal matter. Some blow fly maggots, or larvae, are used to help heal human wounds.
What are the world's rarest and most endangered butterflies? This quick and easy guide tells you all about these beautiful and critically imperiled insects.
Volcanic vents are fractures on the summit of a volcano through where lava is ejected. There are various types of volcanic vents; however, all vents connect the magma chamber, which is a pool of hot molten rock, to the vent on top of a volcano.
An examination of the Titanic shipwreck site from a geological perspective. What been happening in the area around the shipwreck since it hit the North Atlantic ocean floor more than 100 years ago.
To calculate the 3 point moving averages form a list of numbers, follow these steps: 1. Add up the first 3 numbers in the list and divide your answer by 3. Write this answer down as this is your first 3 point moving average. 2. Add up the next 3...
The human muscular system is an organ system composed of skeletal muscles, smooth muscles, and cardiac muscles. Learn about them and what the most-used muscle in the body is.
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.
The great horned owl is an avian apex predator. Possibly this bird is the finest predator to have ever lived.
Involving many principles of science, this particular paradox follows a consequence of black hole mechanics and has far-reaching implications, no matter what the solution is.
The wood frog survives freezing. A study of its adaptations for survival may be helpful in understanding human health problems and in the use of organs for transplants.
Dandelions have culinary benefits and also produce a latex that can be used to make rubber. This is important, since the supply of natural rubber is decreasing.
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.
Learn more about the Drake Equation, a tool used to predict the number of intelligent alien civilizations in our Milky Way Galaxy.
A microscope is a gateway to a fascinating and normally invisible world. A home microscope is entertaining and educational for children and for adults, too.
An accompanying article to 'Why You Should Donate Platelets', this hub introduces the major components of blood and their functions. As well as a look at blood typing, the Rh antigen, and HLA typing.
The American bald eagle is the most majestic and revered of all birds of prey across North America. Honored by Native Americans for centuries, this beautiful bird is perhaps the most famous of all birds of prey.
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...
In 1905, Albert Einstein published four groundbreaking physics papers and announced his genius to the world.
The queen bee is the mother of the honey bee hive. The life cycle of the queen bee and her affect upon the hive is fascinating. These FAQ will explain all.
Colourful fish attract human beings. Having fish at home aquarium, watching them in fish aquariums or venturing to snorkelling, all provide opportunities for enjoying and having peace and serenity.
Despite what you may have been told, we can see around a black hole if the conditions are right. Based on what we find there, we may have to rewrite the books on relativity.
How to do Standard Deviation manually in six straightforward steps, includes a step by step of how to do this using Excel, with screenshots and a link to a sample Excel sheet.