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Slow Walkers May Be at Greater Risk of Heart-related Death, Study Shows
A study that lasted years and involved thousands of people shows a link between slow walking and cardiovascular death. Learn more at HowStuffWorks.
Did an Eye Deformity Affect da Vinci's Painting?
history.howstuffworks.com/historical-figures/did-eye-deformity-affect-da-vincis-painting.htm
Leonardo da Vinci may have had an eye condition called exotropia. HowStuffWorks takes a look.
Surprising Number of Marathoners Had Kidney Damage in Small, New Study
People who take on the 26-mile run may be prone to acute kidney injury, a condition that can cause swelling, pain and even seizures.
Do animals have personalities?
animals.howstuffworks.com/animal-facts/do-animals-have-personalities.htm
Do animals have personalities? Pet owners would answer with a resounding yes. Find out how scientists would answer, "Do animals have personalities?"
What's the ultimatum game?
money.howstuffworks.com/ultimatum-game.htm
The ultimatum game is a form of economics experiment that provides insight into the human psyche. Learn about the rules to the ultimatum game.
5 Green NASA Inventions
science.howstuffworks.com/innovation/nasa-inventions/5-green-nasa-inventions.htm
NASA's technological innovations haven't just gotten us to the moon and beyond -- some have also helped make life a little greener here on Earth. What are five surprisingly grounded technologies spearheaded by NASA?
What Are the World's Smartest Pets and Animals?
animals.howstuffworks.com/animal-facts/smartest-pets.htm
If you think dog and cats are the world's smartest pets, you're right. But there are others too. Which smart animals top the list?
Do Video Games Cause Violence in Real Life?
electronics.howstuffworks.com/video-game-violence.htm
Entertainment media has always made a great scapegoat for bad behavior and violence. But is it legitimate? Do violent video games really lead to real-life violence?
How Dopamine Works
science.howstuffworks.com/life/inside-the-mind/human-brain/dopamine.htm
You could call dopamine the most misunderstood neurochemical in the brain. It's allegedly the cause of people getting addicted to drugs, chocolate or video games. But what does really dopamine do?
Can you really scare someone to death?
science.howstuffworks.com/life/scared-to-death.htm
Scared to death -- is this an actual cause of death or a myth perpetrated by mothers? Let's take a look at whether you can really be scared to death.