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Are Doppelgangers Real? There's a 1 in a Trillion Chance
science.howstuffworks.com/life/genetic/doppelganger-1-in-trillion-chance.htm
Does everyone have a double out there somewhere that they don't know about? Science says the odds are pretty slim.
What Is White Noise?
science.howstuffworks.com/what-is-white-noise.htm
What is white noise? There's a little more to it than the ambient noise you associate with a humming air conditioner or whirring fan.
Where can you take a genealogy test?
people.howstuffworks.com/culture-traditions/genealogy/genealogy-test.htm
A genealogy test might be a good place to start your search for your ancestors. Learn about the best place to take a genealogy test to get started.
What if everyone on Earth jumped at the same time?
science.howstuffworks.com/science-vs-myth/what-if/what-if-everyone-on-earth-jumped-at-same-time.htm
The Earth is a pretty stalwart planet, having survived billions of years of punishment at the hands of asteroids and other cosmic bodies. But could it withstand more than 7 billion people jumping up and down in unison? Do we even want to find out?
Cottonmouth: Snake With Potent Venom and Catlike Eyes
animals.howstuffworks.com/snakes/water-moccasin-cottonmouth.htm
Cottonmouth snakes are often called water moccasins and are one of only four venomous snakes found in North America.
5 Ways Homeostasis Keeps Your Body Humming Along
health.howstuffworks.com/human-body/systems/endocrine/homeostasis.htm
HowStuffWorks finds out the meaning behind the word 'homeostasis' and five ways it's really important for your body.
Here's the Buzz on Alcohol in Space
science.howstuffworks.com/alcohol-space.htm
While alcohol consumption is not completely alien to the space program, not much is known about its effects on the body outside our atmosphere.
Is That Animal Sanctuary You Want to Visit Legit?
animals.howstuffworks.com/animal-facts/animal-sanctuary-legitimate.htm
Animal sanctuaries should provide animals with excellent care for the rest of their lives. But many don't. So how do you know if a sanctuary is legit?
What's the Best Way to Leash Your Dog?
animals.howstuffworks.com/pets/best-way-to-leash-dog.htm
Retractable leashes, slip leads, harnesses - dog walking is more complicated than you thought. HowStuffWorks asks, what's the best way to leash a dog?
Could You Really Outrun a Tyrannosaurus Rex?
animals.howstuffworks.com/dinosaurs/outrun-tyrannosaurus-rex.htm
OK, hop in your time machine, find a T. rex and challenge it to a race. Who'd win? Find out if you could outrun a Tyrannosaurus rex at HowStuffWorks.