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Why Does the Skin on My Knuckles Crack and Bleed in Winter?
health.howstuffworks.com/wellness/spa-health/knuckles-crack-and-bleed-in-the-winter.htm
During every other season, your hands are fine, but as soon as winter comes, those knuckles just dry up and break open. Why is that?
Scientists Solve the Weird Physics of How Bats Land Upside Down
animals.howstuffworks.com/mammals/how-bats-land-upside-down.htm
How do bats land upside down? A new study solves the physics. Learn more in this HowStuffWorks Now article.
Why Do You Hold Your Breath in a Tunnel? And Other Driving Superstitions
Do you hold your breath when you're driving through a tunnel? HowStuffWorks looks at a survey exploring driving superstitions.
Ethylene Oxide Is a Carcinogen You Need to Know About
health.howstuffworks.com/diseases-conditions/cancer/facts/ethylene-oxide.htm
The EPA deemed ethylene oxide a carcinogen in 2016, yet many cities across the U.S. are being polluted with the invisible gas. HowStuffWorks explains.
Do car interiors turn toxic in the summer?
Car interiors are actually toxic all year round, but the summer sun can make your car more dangerous. Learn more about toxic car interiors.
What's Your Call Sign?
play.howstuffworks.com/quiz/whats-your-call-sign
Do you feel the need for speed? Are you ready to try a negative-G pushover while inverted? It's time to suit up and find out what your call sign is! Take this quiz and we will sort you out!
Which Military Branch Should You Enlist In?
play.howstuffworks.com/quiz/which-military-branch-should-you-enlist-in
Considering a career in the military? Before you make the mistake of joining the wrong branch, make sure you are headed in the right direction! Use our laser-guided quiz to make sure you are aiming high enough to be all you can be!
Can you calculate how far away lightning struck by thunder?
science.howstuffworks.com/nature/climate-weather/storms/question182.htm
You may have heard that you can figure out how far away lightning is by how long it takes for the thunder to arrive after you see the flash. Is this true? How do you calculate it?
How Spiders Work
animals.howstuffworks.com/arachnids/spider.htm
Spiders are some of the most successful carnivores in history. Learn how spiders build webs and attack prey and examine cool spider species like jumping spiders.
How the Jaws of Life Work
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/jaws-life.htm
The "Jaws of Life" is a huge tool used to free people from mangled cars and burning or collapsed buildings. Learn about this amazingly powerful machine and how it saves lives.