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10 Weird Pregnancy Cravings That Actually Make a Lot of Sense
When it comes to weird pregnancy cravings, expectant mothers often find themselves reaching for foods they never touched before, or even some non-food items.
What's the Hardest Math Problem in the World? Try These 9
science.howstuffworks.com/math-concepts/hardest-math-problem-in-the-world.htm
Mathematics is filled with complex challenges, but the hardest math problem in the world isn’t just a difficult question on a school test: It’s one that defies centuries of logic, calculation, and creativity.
How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.
How Deep Brain Stimulation Works
science.howstuffworks.com/life/inside-the-mind/human-brain/deep-brain-stimulation.htm
Deep brain stimulation delivers short pulses of electricity directly to your brain. Find out how deep brain stimulation works.
How to Play Canasta
entertainment.howstuffworks.com/how-to-play-canasta.htm
Canasta is a popular card game. Learn how to play Canasta and three variations of it -- Italian Canasta, Pennies From Heaven, and Samba.
Top 10 Heart Attack Symptoms That Should Have You Calling 911
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/5-heart-attack-symptoms.htm
There are certain heart attack symptoms that should have you calling 911 pronto. Learn about ten major heart attack symptoms and find out why heart attacks occur at all.
How Fabric Displays Work
electronics.howstuffworks.com/gadgets/high-tech-gadgets/fabric-display.htm
Fabric displays are revolutionizing the marketing and fashion industries by incorporating LED lights into the fabric. Learn more about fabric displays.
How Improv Everywhere Works
entertainment.howstuffworks.com/arts/theater/improv-everywhere.htm
Improv Everywhere is many things: A stage for the stageless; a script for struggling actors; an attempt to get New Yorkers to remove their earbuds -- which is not as easy as it might seem.
How Cell-phone Implants Work
electronics.howstuffworks.com/cell-phone-implant.htm
But even though they're a lot smaller than they used to be, modern cell phones are still far to big to fit inside your body. Learn how developers have modified existing cell phone designs to create a complete, working cell-phone implant.
How the MPAA Works
entertainment.howstuffworks.com/mpaa.htm
Do you know how the MPAA works? Keep reading to learn about the MPAA and discover who assigns movie ratings.