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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.

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?

10 Signs You May Be Sleep Deprived

health.howstuffworks.com/mental-health/sleep/disorders/10-signs-you-may-be-sleep-deprived.htm

Are you sleep deprived? About 45 percent of the world's population isn't getting enough sleep. See 10 signs you might be sleep deprived.

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.

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