AcademiaSTEMSocial SciencesHumanitiesAgriculture & Farming
  • Whenever we take a trip into the wilder areas of our planet, we potentially put our lives at risk, often by travelling without taking the time to learn how to deal with dangerous wild animals. This hub gives you all the facts you need to know...

    How to Survive and Avoid Animal Attacks

    How to Survive and Avoid Animal Attacks

    by James Kenny16

  • Not everybody knows why a plus b whole square is i.e. (a+b) 2 = a2+b2+2ab and why exactly it has been generalized.So, here I come up with the geometrical proof that shows up the results.

    Why (a+b) 2 = a2+b2+2ab ?

    Why (a+b) 2 = a2+b2+2ab ?

    by mightylearning55

  • There are many deadly things in the world that can easily bring our lives to an end. But what are the deadliest? Did you know a Japanese delicacy actually contains the 5th deadliest poison known?

    5 Deadliest Poisons Known to Man and Their Effects

    5 Deadliest Poisons Known to Man and Their Effects

    by George Lancaster1

  • This article features photos of some of the world's most beautiful and unique birds along with interesting facts about each one!

    The World's Most Beautiful Birds

    The World's Most Beautiful Birds

    by Laurie Bennett3

  • Recycling plastic is essential for the well-being of our planet. Before plastic can be recycled, it must be sorted and separated, either at source or at a recycling facility. This article gives simple guidelines to easily identify different types of plastic in line with the international plastic identification code.

    How to Identify Different Types of Plastic

    How to Identify Different Types of Plastic

    by grumpiornot4

  • Keeping your favorite recipes organized is a challenge for many of us. Create your own recipe database and never have to hunt for your recipes again.

    How to Create a Recipe Database

    How to Create a Recipe Database

    by Eric Cramer18

  • All about hummingbirds and hummingbird symbolism. The hummingbird is a fascinating little creature, and they are a symbol of joy, hope and happiness among other things. Delve deeper into the mystery of the hummingbird...

    Hummingbird Facts and Symbolism

    Hummingbird Facts and Symbolism

    by Melissa Flagg COA OSC39

  • Teach kids about mass, volume and density by doing this simple experiment with sugar and water. It's the easiest way to make rainbow water.

    Sugar Rainbow Density Experiment

    Sugar Rainbow Density Experiment

    by Kathy Hull20

  • The unexplored bottom of the ocean floor is home to a plethora of weird and creepy sea creatures who never see the sun. In this Hub I list ten of them, and explain exactly what makes them so creepy.

    The Top Ten Creepy Deep Sea Creatures

    The Top Ten Creepy Deep Sea Creatures

    by K S Lane9

  • A look at the active ingredients in Clorox wipes and Clorox Clean-up and a description of how they work on a scientific level.

    The Science Behind Household Cleaners

    The Science Behind Household Cleaners

    by Leah Kennedy-Jangraw5

  • 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 Causes a Volcano to Erupt?

    What Causes a Volcano to Erupt?

    by Rickrideshorses49

  • Elements interact with each other constantly in the natural world. There are only a few elite ones who are noble enough to remain to themselves. But in general every element interacts with at least another, giving rise to a variety of structures,...

    Primary and Secondary Bonds

    Primary and Secondary Bonds

    by ria-majumdar13

  • Whether you enjoy hosting fun parties or want a creative way to make your science presentation come to life, here are easy instructions to bake a scrumptious, scientifically-accurate animal cell cake.

    How to Make an Animal Cell Cake

    How to Make an Animal Cell Cake

    by wildsimplicity48

  • Because caffeine is a substance used by the young and old in every country and on every continent its effects affect billions. In order to better understand these effects we must examine first where and why caffeine exists. We must observe its impact in nature on animals, plants and the environment that reveal the potential ways in which it can change, even destroy, life. Then, we will look at how it relates specifically to us, at the many pathways it impacts in our bodies once we ingest it, a

    Can caffeine kill? How it impacts animals, plants, and the environment.

    Can caffeine kill? How it impacts animals, plants, and the environment.

    by Schatzie Speaks20

  • It is truly amazing to think about how water has so many unique and amazing properties. But just what is it about water that makes it so versatile, useful, essential, and unique?

    The Amazing and Remarkable Properties of Water

    The Amazing and Remarkable Properties of Water

    by CWanamaker8

  • 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.

    Patient Monitoring during Anesthesia

    Patient Monitoring during Anesthesia

    by TahoeDoc5

  • The marginal rate of technical substitution of Labor (L) for Capital (K) is the slope of an isoquant multiplied by -1. Since the slope of an isoquant is moving down, the isoquant is given by –ΔK/ΔL...

    Marginal Rate of Technical Substitution

    Marginal Rate of Technical Substitution

    by Sundaram Ponnusamy1

  • Did an “Intelligent Designer” fine-tune the universe to make it just right for human life? No! Just the opposite. Evolution has fine tuned life to fit the universe.

    Is the Universe Fine-Tuned for Human Life?

    Is the Universe Fine-Tuned for Human Life?

    by Catherine Giordano24

  • Magpies currently harbour a reputation as killers of 'innocent' nestlings. But is it a reputation that is deserved? Or is there more to the magpie than meets the eye...

    Garden Birds: Are Magpies Really Bad?

    Garden Birds: Are Magpies Really Bad?

    by James Kenny5

  • Having trouble with naming chemical compounds? Perhaps you're taking a General Chemistry class in college. I take you through naming step-by-step with discussion and examples!

    Steps to Naming Ionic and Covalent Compounds

    Steps to Naming Ionic and Covalent Compounds

    by phriot13

  • Spiders both fascinate and frighten people. Check out these weird, amazing, interesting and fun facts about spiders taken from science, history, literature and mythology with cool photos and videos.

    Top Ten Interesting and Fun Facts About Spiders

    Top Ten Interesting and Fun Facts About Spiders

    by Amanda Littlejohn33

  • The average zoo visitor may wonder what it is that tigers eat in zoos. It is the same as in the wild...meat. In the zoo however the fare varies as does the preparation and presentation.

    What Do Tigers Eat In Zoos?

    What Do Tigers Eat In Zoos?

    by Peter Dickinson35

  • Wild horses live in many different parts of the US and Canada. They form herds, eat, and live just like they did in the past. Finding them is easy - protecting them is getting more difficult.

    Wild Horses: Where and How They Live

    Wild Horses: Where and How They Live

    by Marye Audet39

  • 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.

    Chemical Reactions and Chemical Equations

    Chemical Reactions and Chemical Equations

    by Liwayway Memije-Cruz48

  • 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 Crampton102

  • 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...

    AS Chemistry - Redox Reactions and Group 2 Elements

    AS Chemistry - Redox Reactions and Group 2 Elements

    by Anthropophobia3

  • Here's a look at the Oklahoma state bird, the Scissor-Tailed Flycatcher, along with Deb Hirt's one of a kind photos. Come take a walk with her into the world of this beautiful bird.

    Facts About the Scissor-Tailed Flycatcher

    Facts About the Scissor-Tailed Flycatcher

    by Deb Hirt92

  • 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

  • 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

  • Earth has its own share of "unworldly" happenings that even science cannot explain. Some are similar to biblical phenomena that people will not believe easily. But these are real and they exist!..

    10 Incredible Natural Phenomena That Really Exist

    10 Incredible Natural Phenomena That Really Exist

    by Jennifer Gonzales2

  • Biological perspective links the studies of biology and psychology. Physiological changes and genetics are believed to play a large role in the behaviors of humans and other animals. Biological perspective is the study in psychology that evaluates the physiological and genetic roots of behaviour.

    What Is the Biological Perspective

    What Is the Biological Perspective

    by Teresa Coppens4

  • Need to align a graphic on a webpage? Are you trying to put captions under your images? Here's the codes you need to make things work.

    How to Align Images in CSS & HTML

    How to Align Images in CSS & HTML

    by Ellen Brundige192

  • Everyone know about the physical differences between mean and women. But why are they different anatomically? The answer lies just below our skin in our blood and other cells in the body.

    Biological Differences Between Men and Women

    Biological Differences Between Men and Women

    by Melvin Porter8

  • Electrolysis is the process in which a chemical reaction is started with electricity (Andersen). This is usually done with liquids and especially with ions dissolved in water. Electrolysis is used widely in today's industry and is a part of the...

    Electrolysis: The Way of the Future

    Electrolysis: The Way of the Future

    by Tinmar3

  • 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 Clark174

  • Ants may have been the first creatures to learn how to work together in a colony, build cities, and practice agriculture. Learn this and many more fascinating facts about ants here.

    Ants: Their History, Life, and Purpose

    Ants: Their History, Life, and Purpose

    by Theophanes18

  • An explanation of the similarities and differences of seals and sea lions.

    Seal Vs. Sea Lion

    Seal Vs. Sea Lion

    by isharkbait0

  • Intraocular pressure is defined as the pressure inside the eye. It was what gives our eye their shape and keeps vital structures in the eye in place. But there are other things about the pressure in the eye that can actually cause problems.

    Definition of Intraocular Pressure

    Definition of Intraocular Pressure

    by Melissa Flagg COA OSC11

  • 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 CK Amoabeng2

  • 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...

    How Do Lions Hunt?

    How Do Lions Hunt?

    by James Kenny38

  • 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 a Buchholz Relay and How Does It Work?

    What Is a Buchholz Relay and How Does It Work?

    by OSBERT JOEL C30

  • Most of the top 10 worst shark attacks in the world involved maritime shipping disasters where people were thrown into shark-infested waters.

    Top 10 Worst Shark Attacks in the World

    Top 10 Worst Shark Attacks in the World

    by sharkfacts49

  • Cell division is the process by which biological cells multiply. Learn the events of Mitosis & Meiosis using diagrams, tables, videos & quizzes.

    Cell Division: Mitosis and Meiosis

    Cell Division: Mitosis and Meiosis

    by Rhys Baker15

  • 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.

    Endangered Wild Cats of the Rainforest

    Endangered Wild Cats of the Rainforest

    by Angela Michelle Schultz17

  • The debate is hardly over yet, but the scales-versus-feathers controversy just gets more and more interesting. Which dinosaurs certainly had feathers, and which dinosaurs might have?

    Did Dinosaurs Have Feathers or Scales?

    Did Dinosaurs Have Feathers or Scales?

    by Will Apse5

  • 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.

    Structure of a Neuron

    Structure of a Neuron

    by Melissa Flagg COA OSC5

  • The semicircular canals are located in the inner ear and are responsible for detecting motion and acceleration. Disorders of the vestibular system include Meniere's Disease and Benign Peroxysmal Positional Vertigo.

    What Are the Semicircular Ear Canals?

    What Are the Semicircular Ear Canals?

    by Leah Lefler8

  • Students have an excellent chance of doing well on a physics exam if they work efficiently throughout the physics course and follow some tips for writing exams.

    How to Pass a High School Physics Exam

    How to Pass a High School Physics Exam

    by Linda Crampton24

  • 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

  • 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

    Can The Sirius Star System Support Life?

    Can The Sirius Star System Support Life?

    by Robin Olsen30

  • Electrical fuse is a simple, less resistive, self sacrificial and cheapest device used to interrupt a circuit under short circuit, excessive overload or over current conditions.

    Electric Fuse

    Electric Fuse

    by OSBERT JOEL C4

  • 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.

    Top Ten Cutest Japanese Wild Animals

    Top Ten Cutest Japanese Wild Animals

    by Rachael Lefler1

  • Follow these instructions below to develop a truncated cone. A truncated cone is a conical shape which has had it's top cut off at an angle. Sometimes you might need to develop these truncated cones as duct elements. Developing a truncated cone can...

    How to Develop a Truncated Cone

    How to Develop a Truncated Cone

    by LeonJane9

  • A detailed overview on the working of magnets whether you're looking for examination help, project guidance or knowledge to satisfy your curious mind.

    How Do Magnets Work?

    How Do Magnets Work?

    by Brandon Lobo24

  • 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.

    Three of the Most Dangerous Scorpions in the World

    Three of the Most Dangerous Scorpions in the World

    by BuddySquid23

  • Bored with the 9, I mean 8, planets? Looking for some REAL cosmic fun? Well check out the moons of the Solar System in which you reside!! There are a lot of interesting tidbits...

    Top 10 Most Interesting Moons in the Solar System

    Top 10 Most Interesting Moons in the Solar System

    by Blake Atkinson13

  • This page is part of a series on America's first manned space program, Project Mercury. Links to all the hubs in this series can be found at the NASA Project Mercury Overview. On May 15, 1963, the final mission of NASA's Project Mercury was...

    NASA Project Mercury - Gordon Cooper and Faith 7

    NASA Project Mercury - Gordon Cooper and Faith 7

    by Glen Nunes1

  • There are many methods used to cool the transformer. This article helps you to understand the various cooling methods followed in the transformer.

    Cooling of Transformers

    Cooling of Transformers

    by OSBERT JOEL C1

  • Learn how to identify species of palm trees can be very useful when deciding which species to plant in your area. By studying the characteristics and USDA Climate Zones, your garden can be an oasis.

    How to Identify Species of Palm Trees

    How to Identify Species of Palm Trees

    by Elizabeth Rayen30

  • This hub answer the questions: What is Physics? What are the branches of Physics? If you want to know about Physics, then read this hub.

    Physics: Definition and Branches

    Physics: Definition and Branches

    by Muhammad Rafiq114

  • If you've ever wondered what types of sharks live in British waters, you might be surprised to learn just how many there are. Read about those sharks, a little about their normal habitat, and whether or not they are dangerous.

    List of Types of Sharks in British Waters

    List of Types of Sharks in British Waters

    by IzzyM18

  • Here are some o fthe theories and ideas of the most unique mind of our times: Stephen Hawking. This is also a brief biography and bibliography of that brave and orginal soul, Stephen Hawking.

    What Discoveries Were Made by Stephen Hawking?

    What Discoveries Were Made by Stephen Hawking?

    by Paradise735

  • What is fractional distillation? How does it work Why is crude oil both important and useless? What is cracking? What is supply and demand? Why do long hydrocarbons have higher boiling points? Modern living is built on crude oil - this hub explains how crude oil is changed into the things we use everyday, from petrol to plastic!

    Making Crude Oil Useful—Fractional Distillation and Cracking

    Making Crude Oil Useful—Fractional Distillation and Cracking

    by Rhys Baker11

  • Cooperative behaviour is common and varied among animals. It is traditionally thought that cooperation is carried out to benefit others but recent studies show that it has very selfish roots

    Cooperative Behaviour in Animals

    Cooperative Behaviour in Animals

    by Jack Dazley0

  • This article suggests a list of the thirteen greatest airplanes of all time, emphasizing the importance of each during its time and place in world history.

    13 Best Airplanes of All Time

    13 Best Airplanes of All Time

    by Kelley38

  • Northern Cardinal birds inhabit most of North America. Photos of the mating and nesting behavior of this striking red bird.

    The Cardinal's Nest

    The Cardinal's Nest

    by Yvonne L. B.114

  • All of the processes and activities on this Earth can be categorized into six main spheres (or systems). We must understand these systems and how they interact with each other to truly understand humanity's impact on the environment.

    The Interconnected Spheres of the Earth

    The Interconnected Spheres of the Earth

    by CWanamaker5

  • Guide to the different tests you can perform on unknown bacteria to identify it. These methods are really important in many fields when you are faced with an unknown sickness or contamination.

    Identifying an unknown bacterial strain

    Identifying an unknown bacterial strain

    by Ophelie Quillier0

  • A growth or a culture medium is composed of different nutrients that are essential for microbial growth—here are some that are used in microbiological laboratories.

    Types of Culture Media

    Types of Culture Media

    by hassam137

  • Cancer is an emotive word, but what is it? What causes a normal, somatic cell to turn cancerous? What are our defences against this foe, and are they all useless? Find answers to these questions and some excellent sources to start your own research.

    Cancer Is a Failure of Apoptosis (How Cancer Develops)

    Cancer Is a Failure of Apoptosis (How Cancer Develops)

    by Rhys Baker13

  • Zenos Paradox has been around since before Christ and has baffled many people. An explanation and debunking of the paradox; why it is no paradox at all but a simple mathematical description of what we see happening all around us.

    Understanding and Solving Zeno's Paradox

    Understanding and Solving Zeno's Paradox

    by Dan Harmon64

  • Caracal - Adaptations and Facts - The caracal has a number of anatomical and behavioral adaptations that ensure its success in a diverse variety of habitats.

    Caracal - Adaptations and Facts

    Caracal - Adaptations and Facts

    by Thomas Swan17

  • Overuse of our groundwater resources has resulted in an ever prevalent problem of Earth fissures. As a property owner or potential buyer of land, there are several things you need to know about these large cracks in the ground in order for you to make an informed decision.

    Geologic Hazards: What You Need to Know About Earth Fissures

    Geologic Hazards: What You Need to Know About Earth Fissures

    by CWanamaker2

  • Tadpoles are very different from adult frogs and, after a period of growth, undergo metamorphosis. To change into the adult form, they must develop limbs, lose their tail and gills and remodel their guts and head to change into an amphibian that can live on land.

    Tadpoles—the Larvae of Frogs and Toads

    Tadpoles—the Larvae of Frogs and Toads

    by aa lite9

  • Have you ever seen how a cashew grows? When I first saw one, I was shocked. They don't grow like other nuts. The fruit of the cashew tree is a perfect fruit for juicing.

    How Cashews Grow

    How Cashews Grow

    by Mary Wickison18

  • 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

  • A magnet is an object that has a magnetic field strong enough to influence other materials. The molecules in a magnet are aligned to all face one way, which gives the magnet its magnetic field. Sometimes the molecules can align permanently, making a...

    The Characteristics of Magnetic Fields

    The Characteristics of Magnetic Fields

    by Claire Miller9

  • What separates human language from that of other animals. Can animal communication exhibit some of the qualities, such as displacement and dual patterning, which are said to set human language apart?

    The Difference Between Animal and Human Communication

    The Difference Between Animal and Human Communication

    by Johnson M Jose61

  • There are supposedly dozens if not hundreds of poisonous herbs that grow around the world. Doctors and pharmaceutical companies warn us about these herbs..yet some of these herbs are used in our meds.

    4 "Poisonous" Herbs Used in Western Medicine

    4 "Poisonous" Herbs Used in Western Medicine

    by Nicole Canfield19

  • The article is written in rather technical level, providing an overview of linear regression. Linear regression is based on the ordinary list squares technique, which is one possible approach to the statistical analysis. Both univariate and multivariate linear regression are illustrated on small concrete examples. In addition to the explanation of basic terms like explanatory and dependent variables, we will see how to interpret results obtained by a regression analysis.

    Univariate and Multivariate Linear Regression

    Univariate and Multivariate Linear Regression

    by flysky8

  • Meet Zoe, the only Golden Zebra know to be in captivity today. Zoe is not an albino, she has a condition called amelanism. Read more about Zoe, the rare golden zebra.

    Meet Zoe, the Rare Golden Zebra

    Meet Zoe, the Rare Golden Zebra

    by Sheila Brown98

  • Learn some facts about the American Robin and its migration and behaviors, plus view pictures of this early bird of spring.

    American Robin Facts and Pictures

    American Robin Facts and Pictures

    by Eric Dockett2

  • Natural disasters aren't always disastrous. There are benefits to having a flood, hurricane, and volcanic eruption. Most of these benefits will not take effect immediately. This hub inspects three popular natural disasters, their disadvantages, and their benefits.

    The Benefits of Natural Disasters: Floods, Volcanoes, and Hurricanes

    The Benefits of Natural Disasters: Floods, Volcanoes, and Hurricanes

    by Loi-Renee32

  • If all the elements are arranged in the order of their atomic weights, a periodic repetition of properties is obtained. This is expressed by the law of periodicity.— Dmitry Ivanovich Mendeleev

    The Wonders of the Periodic Table

    The Wonders of the Periodic Table

    by Liwayway Memije-Cruz153

  • A compound shape is a shape that is made up from other simple shapes. In this article we will be working out the area of a L shape (made up from 2 rectangles). To find the area of a compound shape, follow these simple steps: Step 1: Work out the...

    Compound Shapes: How to Find the Area of an L-Shape

    Compound Shapes: How to Find the Area of an L-Shape

    by Mark26

  • 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

  • Finding the nth term of a decreasing linear sequence can by harder to do than increasing sequences, as you have to be confident with your negative numbers.  A decreasing linear sequence is a sequence that goes down by the same amount each time....

    Finding the nth term of decreasing linear sequences (math help)

    Finding the nth term of decreasing linear sequences (math help)

    by Mark14

  • At first glance, the names of the muscles of the human body looks difficult to learn. These names are derived from Latin. Muscles names can actually be used as a short cut to learn a muscle's location, shape and it's function.

    The Latin Roots of Muscles Names

    The Latin Roots of Muscles Names

    by Edmund Custers0

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