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How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
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.
Why are highly contagious diseases kept in labs?
Highly contagious diseases are often kept in labs, and some researchers insist it's with good reason. Find out why contagious diseases are kept in labs.
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?
Wasps Have an Image Problem, But Here's Why We Need Them
animals.howstuffworks.com/insects/wasps-deserve-some-love-too.htm
Just like bees, wasps are pollinators that are also endangered. But you rarely hear anyone pleading to save wasps. A study finds out why.
How Immigration Works
people.howstuffworks.com/immigration.htm
Immigration is one of the most controversial subjects in America today. Learn how immigration works and about visas, green cards and amnesty.
Are left-handers quicker thinkers than righties?
science.howstuffworks.com/life/inside-the-mind/human-brain/left-handed.htm
Scientific studies are showing that lefties are quicker and more adroit in some activities than their right-handed counterparts. How true is this idea?
How a Brain-Computer Interface Works
computer.howstuffworks.com/brain-computer-interface.htm
Brain-computer interfaces allow you to manipulate computers and machinery with your thoughts. Learn more about brain-computer interface technology.
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.
Is it possible to cry blood?
health.howstuffworks.com/human-body/systems/eye/is-it-possible-to-cry-blood.htm
Movie villains aren't the only ones who cry blood. Learn whether it is possible to cry blood at HowStuffWorks.