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Meet Cheddar man.
You're in for a surprise.
The good news: you can learn to do it, too.
What are goosebumps for, anyway?
Find out how genetically similar you are to a fruit fly.
See what it has to do with elephants.
What do the different shades mean?
Contrary to popular belief.
Someday, 100 years old could be the new 40.