Are humans still evolving? Yes, under the influence of culture and technology.
Other features include:
Artists' miniature tableaux depict abandoned cities gone to seed.
Life After ISIS
As Iraqi and coalition forces moved to retake Mosul in 2016, fleeing Iraqis told harrowing stories of the Islamic State's brutal reign.
Climate Change: 7 Things You Need To Know
The scientific facts about threats to the planet and how to mitigate them.
Grass-Eating Monkeys of Ethiopia
A community aims to shield habitat that geladas need.
Racing the Thaw
Alaska natives hope to rescue ancestral artifacts before the sea takes them.