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16 images that will make you feel 'as free as a bird'

Should you wash your chicken?

Brain-training games may work, or they may not

Proposal to mine near Okefenokee Swamp raises old fears

​How biomass helps farmers make the most of 'waste wood'

A black hole met a neutron star and swallowed it 'Pac-man' style

Starman's Tesla completes orbit around the sun

After deadly season, new rules would limit who can climb Mount Everest

What's the best car for older drivers?

Life on other planets may glow like coral to protect itself from an angry sun

Want to lower your risk for cardiovascular disease? Try a vegetarian diet

Scientists detect more repeating radio signals from deep space