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How did humans first reach America?
A new study suggests that the first people to reach America travelled via the Pacific coast rather than through a corridor between two giant ice sheets.
August 18, 2016
Atmospheric scientists say ‘no chemtrails’
Is there a large-scale, secret program to spray chemicals into Earth's atmosphere, resulting in "chemtrails?" Leading atmospheric scientists just say no.
August 17, 2016
Physicists confirm a possible 5th force
“If true, it’s revolutionary,” said Jonathan Feng, professor of physics and astronomy at University of California, Irvine and lead author of the new study.
August 16, 2016
The circadian clock in your gut
Our internal circadian clock tells our body when to sleep, wake and eat. New research says that bacteria living in our gut also have their own circadian clocks.
August 12, 2016
Ice melt may release Cold War-era toxins
Formerly secret Camp Century in Greenland was abandoned beneath ice and snow. But the ice is melting, and biological, chemical and nuclear waste may be released as early as 2090.
August 7, 2016
Parakeet takeover ahead?
"Parakeets are Britain’s fastest growing bird population and are on a trajectory to global domination."
August 4, 2016
Emirates Mars Mission to launch in 2020
The Emirates Mars Mission - which carries the name Hope - will become the first-ever mission to the Red Planet by any Arab country.
August 1, 2016
Spectacular rocket reentry over US West
Observers in the U.S. West saw a disintegrating meteor - a fireball, or extremely bright meteor - on July 27, 2016. It was the reentry of a Chinese rocket body.
July 29, 2016
Air conditioning’s big global impact
Higher global temperatures combined with higher global incomes mean more air conditioners. But what do more air conditioners mean?
July 28, 2016
Moon shadow in 2017 eclipse
Video depicting the moon's shadow path for the August 21, 2017 total eclipse of the sun, 1st eclipse over the continental U.S. since 1979.
July 23, 2016
