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1816 Was the Year Without a Summer
More than two centuries ago, the biggest volcanic explosion in human history occurred. And it had far-reaching effects.
How 'Tremors' Graboids Work
entertainment.howstuffworks.com/tremors-graboids.htm
Graboids, from the film Tremors, are man-eating worms that live in Nevada. Learn about the science of Graboids in this article.
Is Africa Splitting in Two? Really? Here's the Scoop
science.howstuffworks.com/environmental/earth/geology/africa-splitting.htm
The notion of Africa splitting has the attention scientists and geologists worldwide, as the Great Rift Valley stretches and tears at the Earth's crust.
Newly Discovered Crane Fly Species: Tiny Wings, Double-barreled Penis
An Australian scientist has found an unusual species of crane fly with special properties. HowStuffWorks Now investigates.
Early Humans Mated With Inbred Neanderthals — at a Cost
science.howstuffworks.com/life/evolution/early-humans-mated-inbred-neanderthals-a-cost.htm
Neanderthals may be long gone, but their genetic footprint lives on - in us.
10 Wacky Forms of Alternative Energy
science.howstuffworks.com/environmental/green-science/five-forms-alternative-energy.htm
Wacky forms of alternative energy include using human energy as power and bugs that make fuel. Learn about the wacky forms of alternative energy.
Does smog make for beautiful sunsets?
science.howstuffworks.com/environmental/green-science/smog-sunset.htm
Many people think that beautiful, blazing sunsets are one upside to living with the smog that hangs over polluted cities. Are they right? Does smog actually enhance sunsets?
What Is The Jet Stream and How Is Climate Change Affecting It?
Polar temperatures are changing more rapidly than equatorial ones, making the jet stream slower and wider, and extreme events longer-lasting.
6 Charts to Help Explain Climate Change
science.howstuffworks.com/environmental/green-science/climate-change-charts.htm
The science is off the charts. Climate change is here and it's affecting the planet. We'll tell you how and where.
Why Didn't Evolution Give Us the Ability to Smell Fresh Water?
science.howstuffworks.com/life/evolution/humans-smell-fresh-water-evolution.htm
You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?