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Mitsubishi A6M Zero

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The successes of the Mitsubishi A6M Zero during the first six months of World War II stunned Western observers. Its dominance was frightening, but soon surpassed. Learn about the rise and fall of the A6M Zero, and its unique design specifications.

What Is Lent, and Why Do Christians Give Up Something for It?

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Christians often 'give up something for Lent' but why? What is the real reason behind the season?

How Quantum Suicide Works

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A man has a gun. But this is no ordinary man, and this is no ordinary gun. This isn't a setup for a sci-fi thriller. It's the premise for quantum suicide.

Worm Activities

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Ready to get dirty? Dig into these great worm activities, which will teach you all about how earthworms live.

How the Doppler Effect Works

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The Doppler effect is why you hear the sound from a moving object change as it nears and passes you. Find out how the Doppler effect works.

The Mpemba Effect: Does Hot Water Really Freeze Faster Than Cold Water?

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Under the right conditions, hot water can somehow freeze faster than cold water. It's called the Mpemba effect. We'll explain how it happens.

How the Scientific Method Works

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The scientific method is something that all of us use almost all of the time. Learn more about the scientific method and the steps of the scientific method.

A Smart Lemur Is a Popular Lemur

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Lemurs find social success by being smart. HowStuffWorks checks out these brainiacs.

Are chimpanzees evolving in the wild?

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Chimpanzees may be evolving in the wild, according to recent research in Asia. Learn about chimpanzees and find out if chimpanzees are evolving.

Is There a Mathematical Formula for the 'Beer Goggles' Effect?

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As it turns out, beer is not the only factor in the 'beer goggles' effect. And scientists have come up with a fancy formula to prove it -- and let you calculate just how far off you are.

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