From Avocet to Zebra Finch: big data study finds more than 50 billion birds in the world

Domestic abuse head injuries prevalent among women in prison, study finds

The pandemic stress-tested the way the world produces evidence — and revealed all the flaws.

Scientists have found a new way to convert the world's most popular plastic, polyethylene, into jet fuel and other liquid hydrocarbon products, introducing a new process that is more energy-efficient than existing methods and takes about an hour to complete.