A crisis of plastic waste in Indonesia has become so acute that the army has been called in to help.
In an example of human natural selection, Asia's Bajau people have evolved bigger spleens for diving.
Wild equines are being reintroduced to the grasslands of Kazakhstan where they once roamed in large numbers.
The scientist who helped make Salisbury nerve agent
Why are 99.75% of coffee cups not recycled?
Sensing the tide-driven attraction of the oceans
How Ancient DNA transformed our view of history
How do you test for chemical weapons?
Could a plan to divert water to one of Africa's largest lakes stop it disappearing?