Mankind first walked on two Legs – in Trees?
Did our ancestors first stand upright in trees, not on the ground?
Where and when man's ancestor become bipedal – new evidence based on orang-utan behavior suggest that it happened in the trees 17 to 20 million years ago, not on the ground. To mark World Environment Day on 5 June, a report on the dramatic shrinking of the glaciers in the Rwenzori Mountains in Uganda due to global warming. Atmospheric scientists suggest the origins of Atlantic hurricanes are linked to intense storms over the Ethiopian highlands. Plus, a possible genetic influence on whether or not we speak tonal languages.
´óÏó´«Ã½ World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
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