Search Results | hearing
Your search for "hearing" returned 382 results
How Does a Lie Detector (Polygraph) Work?
science.howstuffworks.com/question123.htm
You may know a bit about polygraphs, but do you know which physical reactions it actually monitors?
How Does a Blood Pressure Gauge Work?
science.howstuffworks.com/innovation/everyday-innovations/question146.htm
It's technical name is sphygmomanometer and it takes your blood pressure. But how does it do that?
10 Black Scientists You Should Know
science.howstuffworks.com/innovation/scientific-experiments/10-black-scientists.htm
You might have heard of George Washington Carver and Neil deGrasse Tyson. But what about Patricia Bath? Or Percy Julian? Meet 10 African American scientists who have made the world a better place for everyone.
What are the odds there is life in outer space?
science.howstuffworks.com/space/aliens-ufos/extraterrestrial-life-odds.htm
Are we alone? Jodie Foster's character in "Contact" didn't think so, and neither do the scientists who've been listening for an extraterrestrial message for decades.
Unveiling the Mysteries of Ball Lightning: Is It Real?
science.howstuffworks.com/nature/climate-weather/atmospheric/ball-lightning.htm
Ball lightning wasn't widely believed to exist until the 1960s. Learn about ball lightning and theories about what ball lightning could be.
What makes people happier -- objects or experiences?
science.howstuffworks.com/life/inside-the-mind/emotions/people-happier.htm
What makes people happier? A new car or an exciting or touching experience? Is it the gifts or the memories? See research on what makes people happier.
How does Pop Rocks candy work?
science.howstuffworks.com/innovation/science-questions/question114.htm
There's a candy called 'Pop Rocks.' When you put it in your mouth it makes a loud popping sound and it feels really weird! How do Pop Rocks work?
If the temperature is 30 degrees F, why do we sometimes get snow and other times get freezing rain?
science.howstuffworks.com/nature/climate-weather/atmospheric/question302.htm
Precipitation can vary from rain to snow when the temperature is below freezing. Learn about precipitation.
How to Measure Sound Travel in the Air
science.howstuffworks.com/how-to-measure-sound-travel-air.htm
Did you ever wonder how to measure how fast sound travels in the air? Read this article to learn how to measure sound travel in the air.
Are Humans Apes? Tracing Our Evolutionary Path
science.howstuffworks.com/life/evolution/man-chimp-ape.htm
Are humans separate from chimps and other apes? Learn what separates us from chimps.