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Northern Water Snake: Nonvenomous and Ecologically Essential
animals.howstuffworks.com/snakes/northern-water-snake.htm
The northern water snake (Nerodia sipedon) is a common and widespread nonvenomous snake in North America. These aquatic snakes typically live in and around freshwater bodies - lakes, rivers and wetlands - where they play a crucial role in the ecosystem.
Are We Entering the Sixth Major Extinction on Earth?
science.howstuffworks.com/life/evolution/sixth-major-extinction.htm
A new global report says 1 million species are at risk of extinction - the greatest number in human history.
How Brain Mapping Works
science.howstuffworks.com/life/inside-the-mind/human-brain/brain-mapping.htm
Brain mapping attempts to provide a complete picture of the brain's structure. Learn how brain mapping works and why it's such a scientific breakthrough.
Can You Name All These Spotted Animals From One Image?
play.howstuffworks.com/quiz/can-you-name-all-these-spotted-animals-from-one-image
Big spots, little spots, circle spots, square spots, invisible spots, color-changing, neon, glow-in-the-dark, venomous spots and classic polka-dot spots are everywhere in nature. Can you name these animals based on their spots?
Evolution by Natural Selection: Examples and Effects of Adaptation
science.howstuffworks.com/life/evolution/natural-selection.htm
Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?
Are Frogs on the Brink of Extinction?
animals.howstuffworks.com/endangered-species/frog-extinction.htm
Frogs are like the canary in the coal mine for the state of the environment. HowstuffWorks looks at their endangered status.
What Kind of Water Snake Do You Spy in Your Local Pond?
animals.howstuffworks.com/snakes/water-snake.htm
Have you ever seen a snake in or near a river or pond? It was probably a water snake! These slithery swimmers are easy to spot anywhere the world gets a little wetter, particularly near freshwater.
What Is a Group of Elephants Called?
animals.howstuffworks.com/mammals/what-is-a-group-of-elephants-called.htm
If you've ever seen elephants moving through the savannah or a dense forest, you might wonder, what is a group of elephants called?
How did language evolve?
science.howstuffworks.com/life/evolution/language-evolve.htm
Let's assume that long ago Homo sapiens communicated by grunting at one another. How and when did all those grunting sounds evolve into a verb tenses, clauses and proper nouns?
The Cougar Technically Isn't a 'Big Cat'
animals.howstuffworks.com/mammals/cougar.htm
The cougar, also known as Puma concolor, is one of the most adaptable and widespread cat species in the Americas. You can find this elusive predator, commonly referred to as a mountain lion or puma, across a vast range that extends from the southern tip of South America to the wilds of Canada.