Stone Age mummy still revealing secrets, 25 years on

When police heard about the frozen corpse up in the Alps in September 1991, they opened a criminal probe. Murder it was, but the crime was rather old—and the ultimate cold case.

In Uruguay, green school 'plants seeds' for planet

A building made of tires and glass and plastic bottles, off the grid and non-polluting: a village in Uruguay is home to a fully sustainable school—and a bold experiment in green citizenship.

Borneo loggers swap chainsaws for cheap healthcare

The forest around Manjau in Borneo once reverberated with the scream of chainsaws, as gangs of illegal loggers felled ancient hardwood trees for sale to timber merchants downstream.