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Thomas Edison vs. Nikola Tesla Quiz
science.howstuffworks.com/innovation/famous-inventors/edison-tesla-quiz.htm
Thomas Edison and Nikola Tesla both had amazing inventions. Find out more about this controversial duo with our HowStuffWorks quiz.
Hedwig Kohn: The Physics of Determination
history.howstuffworks.com/historical-figures/hedwig-kohn-physics.htm
Hedwig Kohn left Nazi Germany for the U.S. in 1940 and became a leading physicist. HowStuffWorks looks at her extraordinary life.
Why Socks Help You Sleep Better
health.howstuffworks.com/mental-health/sleep/basics/why-socks-help-sleep-better.htm
HowStuffWorks explores how socks help regulate your body temperature and allow you to fall asleep faster than going to be with cold feet.
Scientists Figure Out Why Elephants' Skin Is So Cracked
animals.howstuffworks.com/mammals/scientists-figure-out-why-elephants-skin-so-cracked.htm
HowStuffWorks looks at new study explaining why elephants' skin is so cracked and wrinkled. It's not just that they need some lotion!
Squirrels Get Jacked During Hibernation; No Weights Needed!
animals.howstuffworks.com/mammals/squirrels-get-jacked-during-hibernation-news.htm
Hibernating mammals like ground squirrels can build some muscle mass during their big sleep, with the help of gut bacteria.
Do Dogs Really Cry 'Happy Tears'?
animals.howstuffworks.com/pets/dogs-cry-happy-tears-news.htm
A first-of-its-kind study out of Japan set to find out, and the results were surprising to everybody.
Why are people's brains different sizes?
science.howstuffworks.com/life/inside-the-mind/human-brain/brain-size.htm
Brain sizes in humans differ, but why? And who has the bigger brain, men or women? Let's take a look at human brain sizes and see if size matters.
How Speech Recognition Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/speech-recognition.htm
Speech recognition allows people to compose documents and control their computers with their voice. Learn about the basic types.
How Aeroponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/aeroponics.htm
Aeroponics is a growing method that uses few natural resources, but few people know how aeroponics works. Learn how aeroponics works here.
How the Obesity Paradox Works
health.howstuffworks.com/wellness/diet-fitness/weight-loss/obesity-paradox.htm
The obesity paradox shows that people with chronic obesity have a greater chance of survival than normal-weight people. Learn about the obesity paradox.