By Simon Coghlan and Kobi Leins
A remarkable combination of artificial intelligence (AI) and biology has produced the world's first "living robots."
By Tim Radford
Mountain plants are on the rise. The number of species on the highest European mountains has multiplied fivefold.
Data gathered over 145 years from 302 peaks shows that the count of wild plants that have colonized the highest zones has increased five times faster than during a comparable decade 50 years ago.