Leaves
Naked and Afraid: New Zealand's Wild Twins push the limits
26 Jul 2020
The Wild Twins have carved a reputation as keen adventurers. But being dropped in the South African wilderness with no food, water, shelter or clothing to film Naked and Afraid challenged the pair's… Video, Audio
Leaf identification
16 Apr 2016
Professor Peter Wilf at Pennsylvania State University is using the latest machine learning technology to identify ancient leaves. A computer program he developed can scan leaves and categorise them… Audio