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Are the Polar Ice Caps Melting Faster Than We Thought?
science.howstuffworks.com/environmental/earth/geophysics/question473.htm
The polar ice caps have been in the news recently because of their alleged shrinking due to global warming. How much would the oceans rise if the ice caps melted completely?
Why Do People Usually Walk In the Same Direction?
Do we have a tendency to walk clockwise around the block? Why do sports favor counterclockwise rotation? Does it have anything to do with handedness or driving habits?
What Is the Most Abundant Element on Earth? Not Carbon
science.howstuffworks.com/most-abundant-element-on-earth.htm
Ever wondered what the most abundant element on Earth is? Or how the elements that make up our planet compare to those floating out in the vast universe?
Communicating With Aliens Is Hard. Communicating With Alien AI Could Be Harder
If you think about it, it'll likely be an alien machine that encounters our probes searching for intelligent life. How's that going to work?
Saturn's Rings Will Exist for Just a Blip in Time
science.howstuffworks.com/saturns-rings-blip-in-time.htm
Saturn's rings will completely disappear in the next 100 million years. Learn more about Saturn and its famous rings at HowStuffWorks.
Kepler-186f: Earth's Mysterious 'First Cousin'
science.howstuffworks.com/planet-kepler-186f.htm
Kepler-186f was the first Earth-sized planet found within its star's habitable zone. But there's still a lot we don't know about it.
Planet Mercury: Fast, Pockmarked and Shrinking
science.howstuffworks.com/46004-mercury-explained.htm
Mercury is the closest planet to the sun, and it's the smallest in the solar system. So why does it have longer days than we have on Earth?
What Are the 10 Biggest Airports in the World?
science.howstuffworks.com/transport/flight/modern/biggest-airport-in-world.htm
Ever sprinted through one of these behemoth airports desperate to make a flight? Here are the world's seven largest airports, not by passenger volume, but by sheer size alone.
The Orionid Meteor Shower Is Back — Here's What You Need to Know
science.howstuffworks.com/orionid-meteor-shower-when-how-to-see-peak.htm
Every autumn, Earth passes through a stream of debris left by Halley's comet, resulting in some beautiful nighttime meteor showers called the Orionids.
Are people without wisdom teeth more highly evolved?
science.howstuffworks.com/life/evolution/no-wisdom-teeth.htm
If wisdom teeth are so wise, why do they keep sprouting in the gums of people who don't need them anymore? Should a lack of wisdom teeth give you bragging rights as a highly evolved human?