Biology

Wild Cats Wordsearch
Do you know your wild cat species? This wild cats word search contains 24 different wild cat breeds. Find the words from the list forward and backward in vertical, horizontal, and diagonal directions. The puzzle is optimized to fit on a standard 8.5″x11″ sheet of paper, but it fits nicely […]

Wild Cats Word Search

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The smoother your skin and flatter your belly, the less likely you are to get belly button lint. (Pietro Zuco)
Whether you call it belly button lint, navel fluff, or navel lint, if you find a furry little ball in your belly button, you’ve got it! Doctors and scientists have examined the fluff balls, so their cause, composition, and potential health risks are known. The Cause and Composition of Belly […]

What Is Belly Button Lint?   Recently updated !

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A cockroach survives radiation better than a human, but it's not immune to the heat of an atomic bomb. (Amada44)
Cockroaches seem pretty indestructible, at least compared to us puny humans. They can live for a week without a head, survive a month without food, and appear unaffected inside an operating microwave oven. While it’s true the insects can survive harsh environments, can they really live through the detonation of […]

Can Cockroaches Survive a Nuclear Bomb?

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Cats and other vertebrate animals yawn. Cats can even catch yawns from people.
People yawn from before they are born until old age. Other vertebrate animals do it too, including cats, dogs, fish, birds, and snakes. Science hasn’t completely nailed down an explanation for why we yawn, but we understand the factors that cause yawning and have theories about contagious yawns. How Yawning […]

Why Do We Yawn? Science Explains   Recently updated !

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The visual center of brains of blind people may be active and produce lights and colors.
One of the most common questions blind people get asked about their blindness is “What do you see?” Unless the blind person formerly had sight, there’s no frame of reference to describe the experience. A person blind from birth typically doesn’t see anything… not black, not gray, not white. It’s […]

What Do Blind People See?

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