World Topics

Tracking elephants as a new railway cuts Kenya

Apr 23, 2016

Tracking elephants as a new railway cuts Kenya

Dangling from a helicopter with a high-powered rifle, a Kenyan vet fires drugged darts at elephants to sedate them so they can be fitted with satellite collars. Ten minutes after the elephant is darted, the lumbering creature stumbles, and falls asleep. Ground teams are ...

175 states sign landmark Paris deal on climate change

Apr 23, 2016

175 states sign landmark Paris deal on climate change

Leaders from 175 countries signed the Paris Agreement on climate change Friday, a key step forward for the landmark deal, which could potentially enter into force years ahead of schedule. U.S. Secretary of State John Kerry, holding his young granddaughter, joined dozens of world ...

Brain-controlled drone race pushes future tech

Apr 23, 2016

Brain-controlled drone race pushes future tech

Wearing black headsets with tentacle-like sensors stretched over their foreheads, the competitors stared at cubes floating on computer screens as their small white drones prepared for takeoff. “Three, two, one … go!” the announcer hollered, and as the racers fixed their thoughts on pushing ...

Climate change: Is the 1.5 C target a mirage?

Apr 21, 2016

Climate change: Is the 1.5 C target a mirage?

The Paris Agreement to try to cap global warming at 1.5 degrees Celsius was a stunning political victory for poor countries threatened by climate change. But scientists tasked with explaining how to get there are less than thrilled. The U.N.’s climate science panel announced ...