Expert Opinion Movies

How do you brave acute mountain sickness? We talk to researchers, doctors and mountaineers about a syndrome whose mechanisms are still poorly...

Cities around the world have a major problem with rats. The animal has generally been regarded as a carrier of disease and is very unpopular with...

They are the secret protagonists of world history: dogs that became famous alongside powerful masters and mistresses. A four-legged friend helps to...

Rare archive footage reveals what Singapore was like dating back to 1900, showing coolies sharing lunch, rickshaw pullers, a grand Peranakan funeral,...

From the far north of Canada to the southern tip of Chile, through the southern United States, central Mexico and the Brazilian Mato Grosso, new...