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Turning Cigarette Butts to Batteries

Earth's Ozone Layer Shows Signs of Recovery

Scientists Discover Secrets for Tastier Tomatoes

Video Game Technology to Save Lives

Brain Imaging Comes to Children in Poor Countries

How Does One Find a Meteorite?

Remember Your Chemistry Classes?

Where Do We Come From?

From Birds to Bears, Animals Face Danger Around the World

How to Survive the Heat

Senegal Threatened with Loss of Lions

Will US, Russia Continue Space Cooperation?

First Aid: What to Do Until Medical Help Arrive

Chocolate: The 'Food of the Gods'

Researchers Say Most Deaths of Newborns Preventable

The Next Big Thing in Agriculture May Be Very Small

Grassroots Activists Receive Goldman Environmental Prize

Six Researchers Who Gave All to Their Work

Southeastern US Recovering from Deadly Tornadoes

WHO: Millions Die Every Year from Air Pollution

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