AcademiaHumanitiesSTEMSocial SciencesAgriculture & Farming
  • Have you have considered the power potential of the human body? What about the energy stored in a raindrop? In this article I discuss five strange methods that could one day become an integral way that civilization generates electricity.

    Five Alternative Forms of Energy You Have Never Heard of

    Five Alternative Forms of Energy You Have Never Heard of

    by Christopher Wanamaker28

  • The Taal Volcano of the Philippines is unusual in that it is a recently-developed volcano situated inside a much older supervolcano that is no longer active. This set-up is not unique in the natural world, for similar arrangements can be found at Crater Lake in the US and Lake Taupo in New Zealand.

    A Volcano Within a Volcano: Portrait of the Taal Volcano

    A Volcano Within a Volcano: Portrait of the Taal Volcano

    by Harry Nielsen2

  • 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.

    Michael Faraday for Kids: His Life, Work, and Legacy

    Michael Faraday for Kids: His Life, Work, and Legacy

    by Amanda Littlejohn57

  • Some heart transplant patients inherit character traits from their donors. Science suggests that there are separate brains located both in the heart and gut that regulate emotion and intuition.

    Brain Found in Heart Neurons and the Gut

    Brain Found in Heart Neurons and the Gut

    by Juliette Kando FI Chor114

  • Acanthamoeba is a microscopic, single-celled organism that can infect the cornea of the eye. It causes a disorder called Acanthamoeba keratitis, which is most common in contact lens users.

    Acanthamoeba Facts, Eye Infection, and Keratitis

    Acanthamoeba Facts, Eye Infection, and Keratitis

    by Linda Crampton40

  • 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

    Astronomy—A Beginner's Guide to the Night Sky

    Astronomy—A Beginner's Guide to the Night Sky

    by Greensleeves Hubs32

  • This is a simple, step-by-step, instruction on how to make a solution in chemistry with examples for both molar concentration and mass/volume ratio.

    How to Make a Solution in Chemistry

    How to Make a Solution in Chemistry

    by Saarith2

  • Throughout the world there exists numerous viruses and diseases capable of inflicting serious harm (or death) on the human population at large. This article explores the 10 deadliest and most dangerous viruses known to currently exist in the world.

    The 10 Deadliest and Most Dangerous Viruses in the World

    The 10 Deadliest and Most Dangerous Viruses in the World

    by Larry Slawson6

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  • Exciting disciplines that combine biology and math include biostatistics, epidemiology, bioinformatics, mathematical biology, and population ecology. The disciplines offer interesting careers.

    Careers That Combine Biology and Mathematics

    Careers That Combine Biology and Mathematics

    by Linda Crampton50

  • 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!

    Top 10 Interesting and Fun Facts About Gold

    Top 10 Interesting and Fun Facts About Gold

    by Amanda Littlejohn75

  • The simple RC circuit is a basic system in electronics. This tutorial examines the transient analysis of the circuit as it charges and discharges, explaining the voltage and current waveforms and also covering the solution of the differential equations for the system.

    RC Circuit Time Constant Analysis

    RC Circuit Time Constant Analysis

    by Eugene Brennan0

  • 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

    Wildlife of the Coconino National Forest

    Wildlife of the Coconino National Forest

    by Deb Kingsbury47

  • Marmots live in mountainous areas of British Columbia. They are social and very vocal animals that often form colonies. One species—the Vancouver Island Marmot—is critically endangered.

    The Marmots of British Columbia: Wildlife in Canada

    The Marmots of British Columbia: Wildlife in Canada

    by Linda Crampton64

  • The great horned owl is an avian apex predator, and perhaps the finest predator to have ever lived. In this article, I will detail just about everything you need to know about these magnificent raptors, including what they look like, what they eat, and how they live.

    The Great Horned Owl: A Magnificent Avian Apex Predator

    The Great Horned Owl: A Magnificent Avian Apex Predator

    by Wesman Todd Shaw49

  • Water has some properties that can make it a good refrigerant. It also possesses some undesirable properties that makes its application as a refrigerant very challenging and inefficient to implement.

    Should Water Be Used as a Refrigerant?

    Should Water Be Used as a Refrigerant?

    by Charles Nuamah7

  • 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!

    Top 10 Interesting and Fun Facts About Birds

    Top 10 Interesting and Fun Facts About Birds

    by Amanda Littlejohn45

  • Learn interesting facts about the behavior of the blue jay, view pictures, and learn how to keep this bully away from your bird feeder.

    Blue Jay Facts, Pictures, and Behavior

    Blue Jay Facts, Pictures, and Behavior

    by Eric Dockett17

  • A collection of all the essential facts about the southern black racers snake. These snakes are non-venomous and common throughout the southeastern United States.

    Facts About Southern Black Racer Snakes

    Facts About Southern Black Racer Snakes

    by Paul Goodman33

  • 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.

    Redheads: The Genetics of Hair Color

    Redheads: The Genetics of Hair Color

    by Leah Lefler115

  • 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.

    Why Water Is Important to Life

    Why Water Is Important to Life

    by Susette Horspool45

  • To any student of geology and natural disasters, there is no way around it, the "Ring of Fire" is the most seismic active place on the planet. About 70% of the world's volcanoes and earthquakes take place here. Nonetheless, many dangerous volcanoes can be found elsewhere around the planet.

    Ten Dangerous Volcanoes Not Located on the Ring of Fire

    Ten Dangerous Volcanoes Not Located on the Ring of Fire

    by Harry Nielsen0

  • North America is home to six species of wildcats. Learn more about the wildcats of North America with pictures and videos.

    The Six Wildcats of North America

    The Six Wildcats of North America

    by Sheila Brown76

  • Many people struggle to tell these two reptiles apart, but it isn't that difficult when you know what to look for. What is the difference between alligators and crocodiles? Well, there are essentially 8 main ways to tell them apart...

    The 8 Main Differences Between Alligators and Crocodiles

    The 8 Main Differences Between Alligators and Crocodiles

    by Paul Goodman102

  • 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 Strange Dragon Blood Tree of Socotra Island

    The Strange Dragon Blood Tree of Socotra Island

    by Linda Crampton56

  • The cheetah is one of the most iconic animals in the world. The cheetah doesn't get the respect or media attention the lion does, but there are only ten thousand left in this world. Save the cheetah.

    Acinonyx Jubatus, the Cheetah

    Acinonyx Jubatus, the Cheetah

    by Wesman Todd Shaw6

  • The lamprey is a frightening eel-like parasite, but could they really attack humans? Here's a look at this monster of nightmares.

    Do Lampreys Attack Humans?

    Do Lampreys Attack Humans?

    by Luther Urswick26

  • 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.

    Could We Survive a Long-Term Power Outage?

    Could We Survive a Long-Term Power Outage?

    by Sherry Hewins56

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