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Meet the Man Who Invented Cool Whip, Tang and Pop Rocks

science.howstuffworks.com/innovation/famous-inventors/meet-man-invented-cool-whip-tang.htm

The 20th century would have been very different without the contributions of General Foods chemist William A. Mitchell, who tapped into the American appetite for convenience and novelty.

The Secrets of Airline Travel Quiz

science.howstuffworks.com/transport/flight/modern/airline-travel-quiz.htm

Air travel is far more than getting from point A to point B safely. How much do you know about the million little details that go into flying on airplanes?

Why Do Bubbles Pop?

science.howstuffworks.com/why-do-bubbles-pop.htm

All bubbles pop - that's a fact of life. But what's the science behind the short life and inevitable pop of a bubble?

Can You Crack This Nuts Quiz?

science.howstuffworks.com/life/botany/nuts-quiz.htm

Time to get nutty! How much do you know about all of the different types of nuts out there? Take this quiz and find out!

The Zoo Hypothesis: Are Aliens Watching Us Like Animals in a Zoo?

science.howstuffworks.com/space/aliens-ufos/zoo-hypothesis.htm

Is it possible that we are not alone in the universe, but are just like animals in a zoo to the aliens who are watching us?

How Dangerous Is Wildfire Smoke? A Toxicologist Is Raising Red Flags

science.howstuffworks.com/nature/natural-disasters/wildfire-smoke-news.htm

The effects of wildfire smoke are different than those of other types of air pollution. But just how harmful to humans is it?

Twinkle, Twinkle: The Ultimate Stars Quiz

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Stars are giant nuclear fusion reactors, and we wouldn't exist without them. Find out how much you know about these twinkling lights with our quiz.

Who Named Planet Earth?

science.howstuffworks.com/who-named-planet-earth.htm

All of the planets in the solar system are named for Greek gods, except Earth. So where did the name come from?

What Really Happened to Yuri Gagarin, the First Man in Space?

science.howstuffworks.com/yuri-gagarin.htm

He stood just 5 feet, 2 inches. But Gagarin cast an enormously long shadow in space exploration, both for his achievements and his mysterious death.

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