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Your search for "breathe" returned 2,154 results
If a giraffe's neck only has seven vertebrae, how is it so flexible?
animals.howstuffworks.com/mammals/giraffe-neck.htm
A good portion of a giraffe's height comes from its statuesque neck. But how do these lanky creatures get their necks in such pretzel-like positions?
Petrichor: What Causes the Earthy Smell After Rain?
science.howstuffworks.com/nature/climate-weather/atmospheric/question479.htm
There's often a strong, quite pleasant, smell right after a rain shower. What accounts for petrichor, the 'smell of rain'?
The Ultimate Horror Movie Quiz
play.howstuffworks.com/quiz/the-ultimate-horror-movie-quiz
Ghastly ghouls, serial slashers, and all the things that go bump in the night. Can you ace our ultimate horror trivia test?
Why Does Having Too Many Options Make It Harder to Choose?
science.howstuffworks.com/life/inside-the-mind/human-brain/choose-options.htm
To choose between options in the decision-making progress can be overwhelming. See why it is hard to choose options when there are many choices.
Formaldehyde Is Everywhere, But Is It Dangerous?
science.howstuffworks.com/formaldehyde.htm
It's an odorless gas that's present in a variety of home products, cosmetics, car exhaust and even humans. But is it bad for us?
How Diabetes Works
health.howstuffworks.com/diseases-conditions/diabetes/diabetes.htm
In the U.S. alone, 20.8 million people have diabetes -- and about a third don't even know it. Find out some information you just may need.
How Animatronics Works
entertainment.howstuffworks.com/animatronic.htm
Animatronics made cinematic history long before digital effects were around. Learn about how animatronics are created, programmed and controlled.
How Lie Detectors Work
people.howstuffworks.com/lie-detector.htm
Lie detection is a consistently controversial topic -- how can a machine tell truth from deception? Does everyone have the same physiological reaction when telling a lie? If so, how can some people "beat the box"? Find out what these devices measure and if they really can detect lies.
How Aliens Work
science.howstuffworks.com/space/aliens-ufos/alien-physiology.htm
Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.
How Prenatal Testing Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/prenatal-testing.htm
During a pregnancy, different kinds of prenatal testing are an important part of the process. See how prenatal testing protects both the mother and child.