AcademiaHumanitiesSTEMSocial SciencesAgriculture & Farming
  • Learn some facts about common songbirds of Pennsylvania and view pictures to help you identify and attract the birds in your backyard.

    16 Common Songbirds of Pennsylvania

    16 Common Songbirds of Pennsylvania

    by Eric Dockett31

  • The Tasmanian devil is an endangered animal whose population is decreasing. The main reason for the decrease is devil facial tumor disease. Immunotherapy may one day be used to treat the condition.

    Tasmanian Devils and Devil Facial Tumor Disease (DFTD)

    Tasmanian Devils and Devil Facial Tumor Disease (DFTD)

    by Linda Crampton27

  • Shoebill storks, or shoebills, have a huge and impressive bill. The animal's unusual features make it a unique bird. Its population has been classified in the "Vulnerable" category of the IUCN's Red List.

    44 Interesting Facts About the Strange Shoebill Stork

    44 Interesting Facts About the Strange Shoebill Stork

    by Linda Crampton37

  • The great horned owl is an avian apex predator. Possibly this bird is the finest predator to have ever lived.

    The Great Horned Owl

    The Great Horned Owl

    by Wesman Todd Shaw38

  • 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.

    The Bunya Pine: A Strange and Useful Tree

    The Bunya Pine: A Strange and Useful Tree

    by Linda Crampton104

  • Some physicists are positing the idea that the Universe may be aware of its own existence.

    Is the Universe Conscious?

    Is the Universe Conscious?

    by Rupert Taylor6

  • 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

  • Crows and ravens are similar, but definitely not the same. It's easy to tell them apart once you learn to spot these distinct differences. A side-by-side comparison of American Crows and Common Ravens.

    Ravens vs. Crows: They Are Not the Same

    Ravens vs. Crows: They Are Not the Same

    by Joanna Fonté0

  • 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.

    The Strange Dragon Blood Tree of Socotra Island

    The Strange Dragon Blood Tree of Socotra Island

    by Linda Crampton54

  • 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 Brown72

  • 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 Crampton46

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  • 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

  • What different species of animals can interbreed and how is it possible? From mules to ligers learn all about hybrids in this comprehensive article.

    Facts and Myths About Mammal Hybridization

    Facts and Myths About Mammal Hybridization

    by Theophanes Avery31

  • In the search for dark matter, many different possibilities exist. One of these is axions, and their potential is real.

    What Are Axions?

    What Are Axions?

    by Leonard Kelley0

  • Covering bases and exponents, laws of exponents. log to the base 10, natural logs, rules of logs, working out logs on a calculator, graphs of log functions, log scales and using logs to perform multiplication.

    An Introduction to Logarithms, Bases and Exponents

    An Introduction to Logarithms, Bases and Exponents

    by Eugene Brennan0

  • This is the third page in a series of guides for anyone who wants to learn a little more about our night sky. This page looks at those most numerous of all objects visible in the night sky - the stars

    Astronomy—A Beginner's Guide to the Stars

    Astronomy—A Beginner's Guide to the Stars

    by Greensleeves Hubs10

  • 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.

    Tomatoes: Plant Facts, Interesting History, and Fruit Flavor

    Tomatoes: Plant Facts, Interesting History, and Fruit Flavor

    by Linda Crampton48

  • 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 Goodman90

  • 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...

    Top 10 Interesting and Fun Facts About Parasites

    Top 10 Interesting and Fun Facts About Parasites

    by Amanda Littlejohn28

  • 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.

    How Smart Are Honey Bees?

    How Smart Are Honey Bees?

    by Catherine Giordano27

  • When Elon Musk has a vision, the whole world needs to sit up and take notice. His habit of taking a dream and turning into a reality is indisputable.

    Colonising Mars: Elon Musk's Dream

    Colonising Mars: Elon Musk's Dream

    by Ian McKay3

  • 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.

    The Fascinating Truth About the World's Oldest Pests: Cockroaches

    The Fascinating Truth About the World's Oldest Pests: Cockroaches

    by Theophanes Avery26

  • Horsehair worms are long and slender animals that writhe and form shapes resembling knots with their body. They are parasites during part of their life cycle and at one point control the behaviour of their host.

    Parasitic Horsehair Worms: Life Cycle and Effects

    Parasitic Horsehair Worms: Life Cycle and Effects

    by Linda Crampton26

  • 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 longhorned tick is native to East Asia and has been introduced to the United States. In some parts of the world, it transmits microbes that cause disease in humans. Its population is increasing in the U.S. It hasn't caused health problems in the country yet but is being monitored carefully.

    The Invasive Longhorned Tick and Its Potential Health Effects

    The Invasive Longhorned Tick and Its Potential Health Effects

    by Linda Crampton42

  • I am in awe of our world of nature, particularly the tree kingdom. Visit any local arboretum and just experience them and you will think twice about the legacy you leave. Don't litter, be kind to the earth and appreciate what you have.

    The Atlas Cedar - Cedrus Atlanticus

    The Atlas Cedar - Cedrus Atlanticus

    by thoughtfulgirl20

  • 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 Lefler105

  • 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.

    How Are Redheads Unique and Different?

    How Are Redheads Unique and Different?

    by C E Clark192

  • NASA and SpaceX plan to colonize Mars within the 21st century. They are preparing ships, cargo, and crew for an intergalactic voyage mid-2030. Here is everything you need to know about living on Mars.

    Everything You Need to Know About Colonizing Mars

    Everything You Need to Know About Colonizing Mars

    by JourneyHolm3

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