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Tomorrow Is Too Late review: Young activists speak out on the climate

Life

The platypus: What nature’s weirdest mammal says about our origins

Humans

Arabian cult may have built 1000 monuments older than Stonehenge

Life

White noise could warn birds to avoid colliding with tall structures

Life

Male parasitic wasps can detect females inside an infected host fly

Technology

Robot taught table etiquette can explain why it won't follow the rules

Environment

'Lost' coffee plant can resist climate change and tastes just as good

Environment

Alaskan forests may store more carbon after being burned by wildfire