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How Long Can a Person Survive Without Sleep?
What Do Camels Eat in the Desert? Camels' large, leathery mouths can handle the prickly thorns of almost any kind of desert vegetation, including that which other desert animals steer clear of.
What is a PET Scan and How Does it Work? Because positron emission tomography is a mouthful, radiologists call it a PET scan for short.
How Does the 'Date Rape' Drug Work? The date rape drug grabbed headlines when it was linked to a toy made in China.
Is Ozone Good or Bad? If it's high up in the atmosphere, it's good. If you're breathing it in, it's bad.
Can It Really Rain Fish? Forget cats and dogs, you should watch out for raining fish.
What's the Longest Lake in the World? The longest lake in the world is also a very popular place to live.
Do Tornadoes Strike Only in Spring? Beware: they can strike in almost any season.
Where Do Zombie Stories Come From? Voodoo sorcerers cooked up trance-inducing potions, tales of zombies.
What is a Superbug? What does the word "superbug" really mean?
What is Antimatter? Antimatter particles have features that are opposite normal matter.
What's the Most Earthquake-prone State in the U.S.? This state rocks more then all the others combined.
Can a Wildfire Ever Put Itself Out? They may douse themselves with a little water, but not enough to squelch the flames.
What Are the Santa Ana Winds? Dry, hot winds that whip across southern California can fuel wildfires.
Do Hair and Nails Keep Growing After Death? It's all just one morbid optical illusion.
What is the Largest Known Star? The Pistol Nebula holds the most massive star.
Why is Earth Mostly Crater-Free Compared to the Moon? Find out why the moon is such a pizza-face.
What's the Largest Recorded Volcanic Eruption? It wasn't in Italy, but the city it buried has been dubbed "The Pompeii of the East".
What's the Leading Cause of Death for the Elderly? Surpisingly, it's something that can easily be avoided.
Do Fish Sleep? When zebrafish doze off, they droop their tails and remain still.
What Does E=mc^2 Mean? Einstein's relativity equation has profound implications.
What's the Most Popular Pet? Cats and dogs still rule the roost.
Why is Humidity So Uncomfortable? Humid air makes sweat stick to the skin.
What is Flaxseed Oil? Flaxseed oil is chockfull of healthy fats.
Can Black Holes Transport You to Other Worlds? Theory says black holes might be able to transport you to other places.
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