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Why Can't Humans Eat Grass?
January 28, 2013 | ArticleIn principle, people can eat grass; it is non-toxic and edible. As a practical food source, however, your lawn leaves a lot to be desired.
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Why Aren't Turkey Eggs Sold at the Grocery?
January 26, 2013 | ArticleGobbling turkeys do lay eggs. But selling them in grocery stores would have its drawbacks.
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Why Are Tree Rings Lighter or Darker?
January 26, 2013 | ArticleNew wood formed in a tree during spring and summer is light in color.
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Why are Races Run Counterclockwise?
January 26, 2013 | ArticleIt's believed to be easier for righties, who make up the majority of world population, to run in a counterclockwise motion.
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Why Are Manhole Covers Round?
January 25, 2013 | ArticleRound manhole covers are easier to manufacture, and they can't slip into the hole.
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Why are Frogs Disappearing?
January 25, 2013 | ArticleKermit the Frog is more right now than ever: It's not easy being green.
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Why are Ears Shaped So Strangely?
January 25, 2013 | ArticleThose external folds of cartilage and skin, called the pinna, have important resonant properties that modify high-frequency sound waves entering the ear before funneling them to the middle ear.
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5 Seriously Mind-Boggling Math Facts
January 25, 2013 | CountdownMany people think of math as boring, but it's anything but.
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Why Are Construction Cranes So Dangerous?
January 24, 2013 | ArticleConstruction cranes can be lethal in the wrong hands.
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Why Are 250 Million Sperm Cells Released During Sex?
January 24, 2013 | ArticleThe average male will produce about 525 billion sperm cells over a lifetime.
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