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How do gazelles use body language?
animals.howstuffworks.com/mammals/gazelle-body-language.htm
Gazelle body language includes jumping, with legs held stiff, in the face of an approaching predator. Learn the nuances of gazelle body language.
Why Do Certain Experiences Give Us Goosebumps?
science.howstuffworks.com/life/inside-the-mind/goosebumps.htm
Think of goosebumps as 'skin orgasms' that are caused by unexpected and pleasant experiences. You know you get them when you're cold, but what is going on in our brains that triggers them?
How do bacteria communicate?
science.howstuffworks.com/life/cellular-microscopic/bacteria-communication.htm
Bacteria communication exists, just these tiny organisms have a different way of talking. Learn how bacteria communication works.
Why Do Old Cats Yowl So Much?
animals.howstuffworks.com/pets/old-cats-yowl.htm
Cats howl for a lot of reasons: They want us to buy them things; they want more food (better food). But as they age, they howl a lot more. Are they trying to tell us something else?
Quiz: Do I Really Have to Wash This?
Take this HowStuffWorks quiz to find out how your cleaning skills stack up.
How Do You Sleep When Sailing Solo for 4,000 Miles?
health.howstuffworks.com/mental-health/sleep/disorders/sleep-when-sailing-solo-4000-miles.htm
Four weeks and 4,000 miles is a long time to get by on catnaps during a solo sailing race.
How do toys get recalled?
entertainment.howstuffworks.com/toy-recall.htm
Keeping up with toy recalls can help keep kids safe. But who decides when a toy is recalled? Find out at HowStuffWorks.
How do boogers form in your nose?
health.howstuffworks.com/human-body/systems/nose-throat/boogers-form-in-nose.htm
Boogers form in your nose for a very specific purpose - and it's not to gross out other people. Find out how boogers form at HowStuffWorks.
Where do butterflies get their striking colors?
animals.howstuffworks.com/insects/butterfly-colors.htm
Butterfly color is some of the most striking in nature. Learn how butterfly wings use ordinary color and structural color.
Why do loud noises cause your ears to ring?
health.howstuffworks.com/human-body/systems/ear/loud-noise-ear.htm
Ringing in ears occurs when noises louder than shouting damage parts of our inner ears. Find out more about why your ears ring at HowStuffWorks.