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Why Did Humans Migrate Out Of Africa?

Geneticist Spencer Wells tells the story of early humans, and our eventual migration from Africa.

What Are The Origins Of The Universe?

David Christian explains the history of the universe from the big bang, and how humans occupy little more than a millisecond on that cosmic timeline.

Are All Human Beings Related?

Geneticist Spencer Wells describes how he uses DNA samples to trace our individual origins going back 2,000 generations.

VIDEO: Talking While Female

For starters: Your voice is too squeaky, too loud; it lacks authority, is grating or obnoxious or unprofessional. Why is talking while female such an offense?

A Wisecracking Biochemist Shares Her Kitchen ABCs

Shirley Corriher, author of Cookwise: The Hows and Whys of Successful Cooking, has tips on taking the bitter bite out of coffee, and holding onto cabbage's red hue while it's in the pan.

European Scientists Conclude That Distant Comet Smells Terrible

A European spacecraft has picked up a foul odor emanating from a comet called 67P/C-G. Imagine sharing a stable with a drunk person and a dozen rotten eggs.

How 'Foodies' Were Duped Into Thinking McDonald's Was High-End Food

A viral video shows people lauding fare billed as an "organic" fast-food option that was actually McDonald's. It wasn't just pranksters playing tricks on these poor folks, but maybe their brains, too.

FDA Cracks Down On Fake Ebola Cures Sold Online

The Food and Drug Administration has issued warning letters to companies marketing products claimed to be cures for Ebola. One firm says it will drop such claims — but it's still selling the product.

Why California's Drought-Stressed Fruit May Be Better For You

Is California's severe drought hurting the nutrient content of fruit? No, preliminary data on pomegranates suggest. The fruit may be smaller, but packed with more antioxidants, tests show.
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Ebola Researcher Says Vaccinology Isn't Rocket Science — It's Harder

A team at University of Maryland's School of Medicine was among several working on a vaccine for Ebola virus.