AcademiaSTEMSocial SciencesHumanitiesAgriculture & Farming
  • 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...

    The African Megafauna

    The African Megafauna

    by James Kenny21

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  • 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.

    Hornets, Bees and Wasps:  Which Is Which?

    Hornets, Bees and Wasps: Which Is Which?

    by Mike and Dorothy McKenney3

  • 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!

    Can We Terraform the Moon? A Second Home, Next Door?

    Can We Terraform the Moon? A Second Home, Next Door?

    by Will Henry9

  • 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.

    Branches of Biology and Their Meaning

    Branches of Biology and Their Meaning

    by leefrancesemery72

  • 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....

    Trigonometry—Graphing the Sine, Cosine and Tangent Functions

    Trigonometry—Graphing the Sine, Cosine and Tangent Functions

    by Mr Homer7

  • Learn facts about the real Megalodon shark and get answers to frequently asked questions about the biggest shark that ever existed!

    Megalodon Shark Facts and FAQ

    Megalodon Shark Facts and FAQ

    by cryptid13

  • 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 Yellow Garden Spider

    The Yellow Garden Spider

    by Jill Spencer41

  • More than half of PhD students leave physics after earning their degree. The reasons include a lack of financial reward or job security.

    Reasons for Leaving Physics

    Reasons for Leaving Physics

    by Thomas Swan27

  • 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...

    Introduction and Scope of Remote Sensing

    Introduction and Scope of Remote Sensing

    by Rashel Nirjhon27

  • 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...

    The Complete Guide to British Birds: Divers and Grebes

    The Complete Guide to British Birds: Divers and Grebes

    by James Kenny10

  • 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.

    Why Does Corn Come Out Whole in My Poop?

    Why Does Corn Come Out Whole in My Poop?

    by Barkley Rosehill36

  • 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 Ten Interesting and Fun Facts About Gold

    Top Ten Interesting and Fun Facts About Gold

    by Amanda Littlejohn75

  • 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"

    How to Learn Times Tables

    How to Learn Times Tables

    by SuffolkJason30

  • What are Decibel levels and why are they so important? How can you measure them and when are they too "loud"?

    Decibel Levels

    Decibel Levels

    by Tony1

  • 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....

    Why Do Aggressive Wasps Always Bother People?

    Why Do Aggressive Wasps Always Bother People?

    by Cindy Lawson148

  • 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...

    Gummy Bear meets Potassium Chlorate Experiment

    Gummy Bear meets Potassium Chlorate Experiment

    by Anna Marie4

  • 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 Crampton52

  • Some think there are none, but this is a complete listing of all recorded shark attacks in British waters which may surprise you!

    Shark Attacks in British Waters

    Shark Attacks in British Waters

    by sharkfacts17

  • 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....

    Sedimentary Rocks Formation and Fossils!

    Sedimentary Rocks Formation and Fossils!

    by Christina Lornemark87

  • 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!

    The Many Venomous Snakes of the Midwest

    The Many Venomous Snakes of the Midwest

    by Matthew Hotaling2

  • 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.

    Facts of the Black Swan

    Facts of the Black Swan

    by Deborah Minter1

  • Principle of operation of transformers can be easily understood from this article. Basic working principle of the transformer is mentioned very clearly and briefly

    How Does a Transformer Work?

    How Does a Transformer Work?

    by OSBERT JOEL C10

  • 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: ...

    Types of Chemical Reactions

    Types of Chemical Reactions

    by dosters3

  • 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.

    How Do Birds Get Their Colors?

    How Do Birds Get Their Colors?

    by Connie Smith15

  • 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.

    What Does a Hospital Medical Lab Technologist Do?

    What Does a Hospital Medical Lab Technologist Do?

    by PurpleOne8

  • 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.

    The Proud Peackcock: Eight Fun Facts on the Indian Peacock

    The Proud Peackcock: Eight Fun Facts on the Indian Peacock

    by hannahz9

  • 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.

    American Black Widow Spiders Bring Victory in World War I and II

    American Black Widow Spiders Bring Victory in World War I and II

    by Schatzie Speaks29

  • 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.

    Lung Volumes and Capacities

    Lung Volumes and Capacities

    by Chanaka Kahathuduwa2

  • 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

    Saola - A Critically Endangered Species

    Saola - A Critically Endangered Species

    by livingsta43

  • 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

    Lung Pressures and Lung Compliance

    Lung Pressures and Lung Compliance

    by Chanaka Kahathuduwa3

  • 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.

    Gamma Ray Spectroscopy

    Gamma Ray Spectroscopy

    by Thomas Swan2

  • Ever wonder how spiders breathe? Learn more about the respiratory system of spiders and how it works.

    How Spiders Breathe

    How Spiders Breathe

    by L Sarhan3

  • 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.

    Astronomy - A Beginner's Guide to the Moon

    Astronomy - A Beginner's Guide to the Moon

    by Greensleeves Hubs15

  • 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.

    Snake Venom Composition and Variability

    Snake Venom Composition and Variability

    by ChristopherJRex4

  • 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

    Michael Faraday for Kids

    by Amanda Littlejohn57

  • 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.

    Front- and Rear-Fanged Snake Envenomation Systems

    Front- and Rear-Fanged Snake Envenomation Systems

    by ChristopherJRex0

  • 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.

    Lapidary Jokes for the Discerning Rockhound

    Lapidary Jokes for the Discerning Rockhound

    by Suzanne Day15

  • 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...

    How to Find the Area of a Quadrant (a Quarter of a Circle)

    How to Find the Area of a Quadrant (a Quarter of a Circle)

    by Mark1

  • 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...

    Dangerous or Not? Identifying Venomous Snakes in the US

    Dangerous or Not? Identifying Venomous Snakes in the US

    by Phillip Drayer Duncan15

  • 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.

    Will an Asteroid Strike Planet Earth?

    Will an Asteroid Strike Planet Earth?

    by Kelley43

  • 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.

    How Does Rain Form: Pseudomonas syringae

    How Does Rain Form: Pseudomonas syringae

    by watergeek14

  • 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.

    The Arctic Wolves

    The Arctic Wolves

    by Wesman Todd Shaw8

  • 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.

    High Rupturing Capacity (HRC) Fuses

    High Rupturing Capacity (HRC) Fuses

    by OSBERT JOEL C0

  • 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!

    Finches Come in All the Colors of the Rainbow

    Finches Come in All the Colors of the Rainbow

    by Connie Smith27

  • 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.

    Funny and Unusual Animal Names

    Funny and Unusual Animal Names

    by Sheila Brown67

  • 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!

    The Astrolabe: How to Make One and Understanding Its Use

    The Astrolabe: How to Make One and Understanding Its Use

    by Teresa Coppens16

  • 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.

    Will Quicksand Kill You?  The Science Of Goo: Cornstarch, Quicksand, Oobleck, And Non-Newtonian Fluids

    Will Quicksand Kill You? The Science Of Goo: Cornstarch, Quicksand, Oobleck, And Non-Newtonian Fluids

    by Lena Welch1

  • 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.

    5 Badass Bugs—Scariest Insects on Earth

    5 Badass Bugs—Scariest Insects on Earth

    by George Lancaster10

  • 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.

    Interesting Facts About Polar Bears

    Interesting Facts About Polar Bears

    by Peter Dickinson12

  • 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?

    How Does a Waterfall Work, Exactly?

    How Does a Waterfall Work, Exactly?

    by Laura Schneider9

  • 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.

    How to Multiply Fractions in Four Easy Steps

    How to Multiply Fractions in Four Easy Steps

    by SuffolkJason2

  • 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.

    The Copperhead: A Venomous American Pit Viper

    The Copperhead: A Venomous American Pit Viper

    by Wesman Todd Shaw26

  • 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.

    Saving the Mountain Gorilla

    Saving the Mountain Gorilla

    by Natalie Cookson0

  • 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.

    Types of Hummingbirds in Las Vegas

    Types of Hummingbirds in Las Vegas

    by KathyH13

  • 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.

    Five Freaky Facts About Ticks

    Five Freaky Facts About Ticks

    by Jill Spencer19

  • Learn about the different species of alligators including the only two known living species that exist today: The American Alligator and the Chinese Alligator.

    The Different Types of Alligators

    The Different Types of Alligators

    by Melanie Palen7

  • 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.

    Turkmenistan's Burning Gates of Hell

    Turkmenistan's Burning Gates of Hell

    by David Hunt32

  • 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.

    How to Make a Genealogy Time Line

    How to Make a Genealogy Time Line

    by Judith Hancock34

  • 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.

    Uses and Importance of Stems to Man

    Uses and Importance of Stems to Man

    by Kenneth C Agudo5

  • Puffins are lovable, cute and clever birds. This article contains lots of fun facts about puffins for kids, and includes some surprises!

    Fun Facts About Puffins for Kids

    Fun Facts About Puffins for Kids

    by Yvonne Spence70

  • 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.

    Types of Microscopy

    Types of Microscopy

    by Rhys Baker0

  • 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.

    Facts About Basking Sharks

    Facts About Basking Sharks

    by sharkfacts8

  • 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.

    When Is the Age of Aquarius?

    When Is the Age of Aquarius?

    by scottcgruber9

  • 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.

    Pigeon Guillemot - The "Easy" Alcid

    Pigeon Guillemot - The "Easy" Alcid

    by Mel Carriere16

  • 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.

    Create Radio Buttons and Checkboxes for iOS Applications

    Create Radio Buttons and Checkboxes for iOS Applications

    by Kevin Languedoc22

  • 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.

    Mark Lynas's "Six Degrees":  A Summary Review

    Mark Lynas's "Six Degrees": A Summary Review

    by Doc Snow10

  • An illustrated guide to some of the best-smelling flowers in the Hawaiian Islands. Includes colorful pictures and resource links.

    Fragrant Flowers of Hawaii

    Fragrant Flowers of Hawaii

    by TattooKitty11

  • 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.

    What Causes Yawning? The Urge to Yawn

    What Causes Yawning? The Urge to Yawn

    by Stephanie Henkel136

  • 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.

    Parthenogenesis: Virgin Births in Nature

    Parthenogenesis: Virgin Births in Nature

    by Leah Lefler21

  • 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

    Does Pentas Plants Have Medicinal Values?

    Does Pentas Plants Have Medicinal Values?

    by Mazlan3

  • 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

    Prokaryotic Cell Structure: A Visual Guide

    Prokaryotic Cell Structure: A Visual Guide

    by Rhys Baker2

  • 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.

    Lung Compliance and Elastance

    Lung Compliance and Elastance

    by Chanaka Kahathuduwa1

  • 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

    Problems Caused by Invasive Insect Species in the UK

    Problems Caused by Invasive Insect Species in the UK

    by AnimalWrites12

  • 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.

    Weird and Wacky Inventions

    Weird and Wacky Inventions

    by Rupert Taylor3

  • Is the tomato a fruit or vegetable? It depends on your school of thought. Explore the topic botanically, horticulturally and from a homeowners perspective.

    Is a Tomato a Fruit or a Vegetable?

    Is a Tomato a Fruit or a Vegetable?

    by Brandon Lobo52

  • 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

    The Why and How of Breeding Zebrafish for Research

    The Why and How of Breeding Zebrafish for Research

    by Sara Ramcharran0

  • 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.

    Surfactant  - Lowering Pulmonary Surface Tension

    Surfactant - Lowering Pulmonary Surface Tension

    by Chanaka Kahathuduwa0

  • 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.

    How to Identify the Snakes of Indiana

    How to Identify the Snakes of Indiana

    by ChristopherJRex2

  • 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.

    Black Women in STEM: Dr. Lilia A. Abron

    Black Women in STEM: Dr. Lilia A. Abron

    by Rachelle Williams2

  • 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."

    The Constellation Virgo—Mythology, Stars, and More

    The Constellation Virgo—Mythology, Stars, and More

    by Cynthia Calhoun27

  • Speed can be measured in many different ways and the instruments used to measure speed vary with the job.

    Speed Measuring Instruments

    Speed Measuring Instruments

    by Joan Whetzel7

  • Chemosynthetic bacteria are organisms whose primary source of energy comes from the chemical reactions of inorganic molecules.

    What Are Chemosynthetic Bacteria?

    What Are Chemosynthetic Bacteria?

    by Jose Juan Gutierrez6

  • 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

  • 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.

    Top 10 Rare or Endangered Butterflies

    Top 10 Rare or Endangered Butterflies

    by FCM0

  • 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.

    Types of Volcanic Vents

    Types of Volcanic Vents

    by Jose Juan Gutierrez1

  • 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.

    A Geological Study of the Titanic Shipwreck Site

    A Geological Study of the Titanic Shipwreck Site

    by Melvin Porter9

  • 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.

    Common Uses of Barium

    Common Uses of Barium

    by Steven Pearson15

  • 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 Shaw26

  • 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.

    What Is the Black Hole Firewall Paradox?

    What Is the Black Hole Firewall Paradox?

    by Leonard Kelley1

  • 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.

    What Will Happen If Bees Become Extinct?

    What Will Happen If Bees Become Extinct?

    by Marcy Goodfleisch77

  • 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 Basics of Blood and Blood Typing

    The Basics of Blood and Blood Typing

    by Leah Kennedy-Jangraw0

  • 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.

    Everything You Wanted to Know About the Bald Eagle

    Everything You Wanted to Know About the Bald Eagle

    by Bill De Giulio12

  • 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...

    Rainforest Trees for Beginners

    Rainforest Trees for Beginners

    by Will Apse3

  • 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.

    How to Calculate Standard Deviation

    How to Calculate Standard Deviation

    by des donnelly225

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