The dumbest smart jokes, the stupidest funny answers. These are the best of the worst math puns and wisecracks!
We should be less concerned with being for or against wolves and more concerned with how humans and wolves can better coexist.
All the essential facts about Southern Black Racers that you might want to know. These snakes are nonvenomous and common throughout the Southeastern USA.
Unripe lychees and ackee fruits contain toxins. Both fruits should be eaten only when ripe. In addition, it's very important that ripe ackee is prepared properly.
There are many extinct animals that once lived in the rainforest, and many more that are endangered. We, who have the best capability of protecting these animals, should take actions to preserve life.
The lion is a multi-cultural symbol of power and strength. But how much do we really know about them? Among the things we know well about them, is their hunting ability. This Hub explores the hunting behaviour of the lion in-depth...
If you were designing a bomb shelter to prepare for the end of the world, what kind of metal would you build with? Find the smartest answer here.
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.
What is the rarest blood type? This is an important question since blood transfusion has become a big part of modern medicine.
Full instructions for Cupcake Baking Science Project which demonstrates the importance of different ingredients.
While the fearsome great white shark can grow to a massive 20 feet, most are much smaller. But what is the biggest one ever found?
Step by Step instructions for science experiment: Can seeds germinate in salt water? How much salt affects seed growth?
Some of the coolest, most fascinating organisms are just now being discovered by scientists, and not only at the bottom of the ocean, either.
See pictures to help you identify the male and female Rose-breasted Grosbeak, plus learn facts about its migration and behavior.
Fun dry ice experiments. Make foggy bubbles, screaming metal, frost things over, pop the caps off containers, blow up a balloon, and more.
This hub answers tricky biology questions including 'What is Brainfreeze?', 'How Safe are X-Rays?', and 'What are Goosebumps' from my experience teaching biology
Top 10 Most Beautiful Extinct Animals - The tale of ten species that succumbed to anthropogenic extinction as a result of hunting or habitat destruction.
Discover some of the theories and ideas of one of the most unique minds of our time: Stephen Hawking. This is also a brief biography and bibliography of that brave and original soul.
Find all about palm trees, how they grow, flower, fruit and the uses people make of these marvelous plants...
Paper chromatography is a useful technique used to separate the components of a solution. Kids can learn some simple chemistry by watching or performing this process.
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?
Parkinson's disease is caused by the death of brain cells that produce dopamine. Stem cell technology may provide a more effective treatment than current methods.
The mucus that covers fish has several functions, including protection from multiple dangers and serving as food for young fish. The substance may also be useful for us.
A handy guide for identifying various types of clouds including information on what makes clouds look different, which are responsible for storms, and how some clouds can help in predicting weather.
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...
Mucus has vital functions, such as trapping germs in the airways, protecting the stomach lining from an acid attack, and lubricating the passage of materials through the digestive tract. Excess mucus can cause health problems, however. Mucus in the nose is often referred to as snot.
What are the differences between the three types of human muscles? Find examples and complete descriptions of cardiac, smooth, and skeletal muscles.
What are the most dreadful earthquakes of India. Below is the list of biggest earthquakes of India with images.
There are so many different types of crabs around the world. Find out more about these fascinating animals here.
The human skeleton has vital functions. It provides support and protection, allows us to move, makes blood cells, and stores fatty acids and minerals.
Here's a (non-comprehensive) list of ocean animals in alphabetical order. There's always more to explore!
Hydrochloric acid is made in the stomach and is a helpful chemical. However, too much or too little acid or acid in the wrong place can cause problems.
Which prehistoric monster ruled the ancient sea, the Megalodon shark or Livyatan (Leviathan) Melvillei, the massive predatory whale?
Tsunamis are a natural disaster with devastating effects. Here you'll find a detailed breakdown of what causes a tsunami, which is perfect for school projects and essay answers.
North America is home to four native species of wildcats. Learn more about the wildcats of North America with pictures and videos.
Here's the old-fashioned way of using HTML and CSS codes to tile graphics side-by-side on a webpage. Handy for photo galleries, strips of buttons, or other kinds of images arranged in a grid.
Although human blood is usually red it may have a different color, which indicates the presence of a health problem. Animals have a wide variety of blood colors.
The Himalayan blackberry is a beautiful plant in spring and summer. It produces delicious blackberries, but it's an invasive species and grows aggressively.
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.
Different Types of Stars in the Universe - Physical characteristics and images of the many different kinds of stars, from red giants to white dwarfs.
There are so many different types of fungi in the world. Almost all of them are beneficial. Find out about them here and enjoy some beautiful pictures...
There are many endangered species, including the Siberian Tiger, elephants, leather-back sea turtles, snow leopards,
Inky cap mushrooms become a black, inky liquid in order to disperse their spores. Some contain coprine, which increases the unpleasant effects of alcohol intake.
Here is some specific information about the Smilodon cats in general, and further information in specifics regarding each species of known Smilodon that once was.
Science isn't confined to a lab - it is all around us. The 10 fun, cheap and easy experiments in this hub make great family projects. Above all this proves that science is fun - what other school subject helps you make slime and rockets!?
Volcanic eruptions are a stunning sight. But how do they happen? Learn more about the science of volcanoes and volcanic eruptions in this article.
What snakes live in Indiana? Are any of them venomous and/or dangerous? There are nearly 40 different species and subspecies of snakes that can be found in the Hoosier state. Although three out of the four front-fanged venomous snakes are endangered (Timber Rattlesnake, Cottonmouth, Eastern Massasauga Rattlesnake) and hard to find, the Copperhead is not. Although many Hoosier snakes are rear-fanged venomous, their venoms don't pose a significant threat to people.
Figuring out how the moon was created is one of the deepest mysteries of archeological astronomy. We do have ideas though...
Antibiotic resistance in bacteria that cause disease is a serious problem. Soil contains many bacteria, some of which may help us by making new antibiotics.
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.
The anatomy of the European Honey Bee (Apis Mellifera) is truly amazing, from its hairy eyes to its clawed feet to its barbed stinger. Powerful jaws, two stomachs, 24 "knees," and more.
Snakehead fish are invasive species in North America. They are fierce predators and can breathe in air. They may be a serious threat to native wildlife.
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?
Australia has a reputation for being home to many of the world's most dangerous animals. Here is a top ten list of the most deadly.
Plants have a reputation for being motionless, passive and boring. These 20 plants challenge this mundane stereotype. I threw in a few fungi; I cheated a little. Enjoy!
Learn about dragonflies, what they eat and how they fly as well as the type of habitat in which they live. We'll also explore some of the more popular myths and legends surrounding the dragonfly.
Despite contrary advice, marrying a first cousin can indeed result in a greater probability of birthing a child with genetic defects. The Amish avoid these close marriages, too.
Some chemicals in fungi can act as medicines for humans. Three of these chemicals are penicillin, lovastatin, and cyclosporine. Lentinan and eritadenine may also be medicinal.
Blood clotting or coagulation is a complex process that helps us survive when we're injured. Fibrin threads trap blood cells and stop blood loss.
What different species of animals can interbreed and how is it possible? From mules to ligers learn all about hybrids in this comprehensive article.
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.
Green eyes are very rare. This hub will help explain some of the traits and factors that contribute to them.
Northern Cardinal birds inhabit most of North America. Photos of the mating and nesting behavior of this striking red bird.
Honey bees are very smart despite having tiny brains. They can learn; they have good memories, and they can communicate using a unique symbolic language.
Everything you need to know about electrical power (Watts), current (Amps) and voltage (Volts) and how to understand the basics of electricity.
Most commonly, you see brown, blue, or hazel eyes, but some people, whether it be luck or a medical condition, wind up with really cool and rare eye colors.
The uses of math for the layperson are essentially endless. No matter whether you are a struggling student, a homeowner, or someone simply trying to lose weight, math is the universal language that has an something to offer everyone.
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...
The rainbow eucalyptus is an unusual tree with a beautiful, multicoloured trunk. The trunk's colours change as the tree sheds strips of bark, creating living art.
The American crow though intelligent, mischievous and resourceful, many people love to hate this bird. Learn why?
If you have red hair or blue eyes, then you're a mutant. There's nothing you can do about it except read this page to find out why nature selected you for mutantdom.
Tomatoes are nutritious fruits (or vegetables) with an interesting history, but they often lack flavor compared to tomatoes of the past. A discovery by scientists should be helpful in creating tastier fruits. Some strategies for obtaining tomatoes with a better taste already exist.
In this article, I list and give essential facts on the 6 most dangerous snakes in Florida, all of which are venomous and can deliver potentially fatal snakebites. My list includes the southern copperhead, eastern diamondback, and the cottonmouth.
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.
The great horned owl is an avian apex predator. Possibly this bird is the finest predator to have ever lived.
Pigments play vital roles in our bodies. These pigments include melanin in the skin, rhodopsin, zeaxanthin, and lutein in the eyes, and hemoglobin in the blood.
Do wild cheetahs attack, kill, or eat human beings? This article answers this question and provides more information about these extraordinary animals.
What are the most dangerous scorpions in the world? All of them look deadly, but there are only a few who can do any real damage. Here is a rundown of the deadliest scorpions in the world.
We experience many Boyle's law applications in real life every day. Most people don't know it, but an example of Boyle's law is responsible for every moment we are alive. Go science!
Learn the most tantalizing facts about this toxic, hellish world that's ironically known as Earth's sister planet!
Galileo not only spotted new objects in the sky but also laid the groundwork for advancements in physics. What were they?
Lichens are interesting organisms that are important in their environment and useful for humans. Some produce chemicals that are potentially dangerous for us, however.
Barn swallows are dive-bombing insect eaters that can be both a benefit and a problem. Learn how you can coexist with this common bird.
Ring of Fire is a common expression applied to a geographical area bordering the Pacific Ocean. Within this "Ring of Fire" earthquakes and volcanoes are more common than any other place on the planet.
Step-by-step instructions for 4 different science experiments using Skittles candies. Easy, quick and fun!
How many eyes does a spider have? Why do they need so many eyes? Find these answers and see beautiful pictures of spiders' eyes.
When we think of meat-eating plants, The Little Shop of Horrors often comes to mind, but there are many different carnivourous plants. Some "swallow", like Audrey II, others function differently.
This hub is all about calculating lottery probability or odds. In order to make it relevant, I decided to base it on the Grandlotto 6/55, the lottery game with the biggest prize money here in the Philippines. There will be two different cases in the hub: the probability of winning the game with all six numbers matching, and the probability of having n numbers matching.
Often thought of as impenetrably difficult and complex, Physics explains the inner workings of the Universe...and your wireless network...and boomerangs...and electricity. This hub looks at ten of the best questions asked of me this year.
Puffins are most people’s favourite sea bird, and Scotland has plenty of great places to view them. Whether you are a visitor or native to Scotland, this article shows you where to go. And it’s filled with cute photos!
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....
New gold prospectors have a problem on their first gold club outing. They've heard about panning for gold, and maybe how to use recovery equipment, but on claim arrival finding a spot is a new story.
Learn about how the four different types of volcanoes (composite, shield, cinder cone, and lava dome) form and watch videos of how they erupt.
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. The island is home to other fascinating and often unique organisms besides the tree.
Hair color is primarily genetic, and red hair is caused by mutations in the MC1R gene. The gene for red hair also causes an increased sensitivity to sunlight and a reduced sensitivity to anesthesia. Contrary to internet rumors, redheads are not going extinct! Famous redheads include Queen Elizabeth I and Malcolm X.
For some duckweed is a menace, for others it's a Godsend. Here in Brazil, we have built duckweed ponds and are encouraging it to grow to use as an animal feed . This is just one of its many uses.
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.
Did you know that wild ginseng root can actually be found right here in America's national parks and private woodlands?
5 properties of water: cohesion, high specific heat, high heat of vaporization, lower density of ice, and high polarity.
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.
Tiny microplastic particles are produced from plastic waste. The particles enter the human body in a variety of ways. Their effects on the body are unknown.
Because of human destruction of their habitats, species whose geographical range is small are at the greatest risk of being endangered. Here you'll find a list of ten of the most endangered animals.
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!
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.
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?
Volcanoes are natural features of the Earth's lanscape. Volcanoes form from the natural internal forces acting inside the Earth. Mos volcanoes form at the boundaries of tectonic plates either in the ocean or on land. Others may form away from the boundaries of plate tectonics; however all volcanoes are formed from the natural internal energies occurring inside the planet.
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.
Where are the world's supervolcanoes? The Western United States, Italy, New Zealand, and Asia all contain volcanoes capable of catastrophic eruptions.
The State of New York has a beautiful array of mushrooms and other fungi growing among the oak, maple, and beech forests. This photo gallery of orange and yellow mushrooms was taken in Frewsburg, a town in the "Southern Tier" of Western New York. Many of these mushrooms can be found in the wider Great Lakes geographical area.
Why is the sky blue? Why is the moon sometimes out in the day? How much does the Earth weigh? Kids are great at asking questions that knock us for 6. Be prepared! This hub gives straightforward answers to 10 of the trickiest questions I have been asked by kids whilst teaching. Enjoy!
The difference between the colossal and giant squid, the real sea monsters that spawned the kraken legend, is about more than just size!
Human eye anatomy—a journey through the anatomy of the eye to understand how different structures in the eyeball work together to achieve vision.
This article will introduce the reader to several flowers that don't exactly look like flowers, but more like...something else.
(c) klanguedoc 2010. iOS SQLite Database is a tutorial that demonstrates how to create an iOS iPhone and iPad applications with a SQLite database.
This hub is solely written bearing in mind helping school kids with their assignments. I have written down briefly with illustrations where possible, what mountains are, how they are formed, the types of mountains and how you identify the different types of mountains. I hope you enjoy reading this, and it helps you with your requirements.
Birds are among the most beautiful creatures on Earth. They're also some of the weirdest! Check out these crazy-but-true interesting and fun facts about our feathered friends...you'll be amazed!
Although cockroaches are often seen as disgusting creatures, there are a lot of fascinating truths and fun facts you still don't know about them. Learn more about this amazing creature here.
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."
Some people believe that NDE is proof of an afterlife. However, science provides alternate, and more plausible, explanations.
The tallest and longest mountain ranges, with pictures. The world's tallest mountains are in central Asia; the world's longest ranges are on other continents. Geology of mountain ranges.
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 oceans contain a vast variety of creatures. Here are some marine animals whose names span the alphabet from A to Z.
Proteins in the body have essential jobs. They enable us to move, transport materials and signals, control chemical reactions, stop bleeding, and fight infections.
This article takes a look closer look at the oxidizing type of permanent hair dye and how it works on a scientific level.
Honey bees are complex and fascinating creatures. Here are 20 questions--with answers-- to help you understand honey bees and their place in our world.
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.
A completed lab report that explains the process of determining different aldehydes and ketones, thus classifying them in their respective groups. Includes Method, Abstract, Results, Intro etc.
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.
The anesthesiologist monitors, and responds to, changes in your vital signs during your entire surgery. Heart rate, rhythm, blood pressure, oxygen level, breathing and other parameters give the anesthesiologist the information needed to keep you safe and comfortable during an anesthetic.
The urinary system is the excretory system of the body. The nephron does all the work of the Urinary System. Find out how the nephron works.
Cell division is the process by which biological cells multiply. Learn the events of Mitosis & Meiosis using diagrams, tables, videos & quizzes.
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.
Great wild mushroom photos! Learn why mushrooms and fungi are important and what they do in addition to providing food.
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.
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.
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.
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.
Anyone who has ever tripped and fallen knows that gravity works. The question is, how does it work for plants. What makes plants grow up and roots grow down? Geotropism is the answer.
Did you know that only 6000 snow leopards are surviving in the wild today? Read more than 50 facts about this amazing creature...
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.
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.
How to convert hex to decimal and decimal to hex manually or by hand without using any calculators or special knowledge.
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.
Tsunamis cause have whenever they hit - death, destruction and carnage. Find out the exact effects on land and in the sea.
Mechanics is a branch of physics which deals with forces, mass and motion with applications in engineering construction, the design of machines, ballistics and space travel.
Science has proven that redheads are physically unique among all other people. Find out why, historically, some people thought they were evil, while others thought they held magical powers.
The surface area of a triangular prism can be found in the same way as any other type of prism. All you need to do is calculate the total area of all of its faces.
Spiders are very beneficial and should not be killed. This article provides some interesting scientific facts about spiders, along with their symbolism.
Osteoblasts and osteoclasts control the production and disintegration of bone and the amount of calcium released from the bones into the bloodstream.
The black widow spider and the brown recluse spider are the two poisonous spiders in our state. Good housekeeping can reduce the risk of being bitten by them.
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.
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.
This article is about how the inner ear helps to maintain the balance and equilibrium of the body. Read on to know in detail about how the inner ear helps to maintain balance and equilibrium.
The respiratory system is an amazing and intricate network of tubes and sacs. Here are some surprising facts related to breathing, gas exchange, and sneezing.
We've all experienced a short-term power outage, but what kind of problems would we have if the power was out for a week, or even longer? We depend on electricity for a lot more than lights and TV.
The extinction of the dinosaurs marked the end of one era, but heralded the beginning of another. It only took the Earth a few million years to recover from the after effects of the asteroid impact, but it was a changed world. This hub profiles one small corner of that world, in a time called the Eocene...
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.
The banana spider is famous for its beautiful web, which appears to be golden when it shines in the sun. The spider's venom is of the same type as that of a black widow, but much weaker.
Mudskippers are unusual fish that may spend more time on land than in water. They use their pectoral fins as legs and breathe through their skin as well as their gills.
Destruction of our environment is the biggest contribution that we make to the extinction of many species in the forest. It is estimated that approximately half the number of world’s animals live in the rain forests. Due to the rapid disappearance of rain forests many animals living in them are now endangered. Every plant and animal needs an ideal environment where they can survive. No life can exist without proper and sufficient source of food, water and shelter. There should be a balance betwe
Evolution has produced a multitude of predators down the ages, but which were the deadliest of all time?
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...
My attempt to satisfy the question 'Can Life Exist in the Sirius Star System'. I hope you find it educational and enjoyable as I did doing the research
Luna Moths are beautiful creatures. You will want to look closely at the photo and see the eye spots on the top wings as well as underneath. Find out more about this fascinating and large moth!
Who doesn't love oak trees? They're big, beautiful, useful, and can live for hundreds of years. Here's a list of some, with pictures of bark and leaf descriptions to aid in identification. Happy oak hunting!
Fun, fast and enjoyable science project for elementary or older. Step by step instructions and student sample experiment. Videos to learn more about chocolate.
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.
Learn some facts about common songbirds of Pennsylvania and view pictures to help you identify and attract the birds in your backyard.
While Australia is home to the most animals who will kill you, Japan seems to be home to the most animals that will make you go "d'awww". Here are my top ten favorite wild animals of Japan.
List of Substances and the Temperatures they Freeze, Melt, or Boil at. Definition of Boiling Point, Freezing Point, Melting Point.
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.
The lamprey is a frightening eel-like parasite, but could they really attack humans? Here's a look at this monster of nightmares.
The hedge bindweed or morning glory twines around other plants and interferes with their growth. Bindweed produces large and beautiful flowers in summer.
The Sunshine State has all sorts of over-sized bugs and creep-crawlies. This article looks at the biggest spiders in Florida.
This article discusses the various components of a power transformer and briefly explains how they work.
A set of fun experiments that teach kids the fun of chemistry and how to tell a chemical change from a physical change
Top 10 Most Beautiful Animals In The World--These unusual species and wonders of evolution are illustrated with pictures and facts.
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.
Identify that furry or fuzzy caterpillar you found with the help of this quick, easy, and authoritative guide.
The developing world has a large number of people living with HIV/AIDS. Learn about the factors influencing the spread of HIV/AIDS in the developing countries, and see some ways to stop the epidemic.
There are many different types of plants, ranging from grand trees to tiny algae. This is an overview with pictures.
What role does water play in life and what would happen if we were to lose it or it didn't exist? There are already parts of the world where we can see how life would change, if there were no water. This article explores it further.