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Was Tyrannosaurus rex a predator or a scavenger?

science.howstuffworks.com/environmental/earth/geology/t-rex-predator-or-scavenger.htm

Hollywood makes T. rex seem fast and agile, but some scientists think it was a scavenger, like a vulture. So which was it?

How Long Can My Succulents Survive Without Water?

home.howstuffworks.com/succulents-go-without-water.htm

Succulents can go days on end without any fresh water. Learn the secret that succulents carry to get them through the dry spells.

Biggest Snakes in the World by Length and by Weight

animals.howstuffworks.com/snakes/biggest-snake-in-world.htm

While you may not want to encounter one on a hike, there's no denying that snakes are magnificent creatures - no matter how big or small they are. But when it comes to the biggest snakes in the world, nature truly knows no bounds.

Which athletes live the longest?

entertainment.howstuffworks.com/which-athletes-live-longest.htm

Which athletes live the longest? Find out which athletes live the longest and endure the least injury in their sports.

10 Cool Things You Didn't Know About Stephen Hawking

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He was born exactly 300 years after Galileo died. He never won a Nobel Prize, although he was awarded a guest spot on "The Simpsons." What else do you know (or not know) about this acclaimed physicist?

Evolution by Natural Selection: Examples and Effects of Adaptation

science.howstuffworks.com/life/evolution/natural-selection.htm

Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?

How Kudzu Works

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Kudzu is explained in this article. Learn about kudzu.

What can your spit tell you about your DNA?

science.howstuffworks.com/life/genetic/spit-dna.htm

Doctors always want your blood, but one day, a health care professional may ask you to open up and say, "Ptooey!" Why? Your spit holds a mother lode of biological information.

How Animal Imprinting Works

animals.howstuffworks.com/animal-facts/animal-imprinting.htm

Animal imprinting concerns how some species of animals learn during a short period immediately after birth. Learn more about animal imprinting.

How Temper Tantrums Work

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Do temper tantrums point to poor parenting skills, or are they a natural part of growing up? Read about temper tantrums at HowStuffWorks.

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