Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Case 1: In bottlenose dolphins, all individuals from a single ancestor use tools, while their companions (as in "member of the same group, but of different ancestor") do not use the tool.

Case 2: in chimps, tool use and learning most effective between age 3-5. A 16 year long longitudinal study.

Case 3: Archeologists find remnants of continued tool use on the same site for 4300 years.

by Xavier in Paris on Fri Nov 22nd, 2013 at 07:36:13 AM EST
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