December 2 Link Roundup

More on the Lucy-in-the-trees theory, this time from biomechanics: the cortical thickness and relative musculature of Lucy’s humeri are more chimp-like than human-like. This is a much more convincing argument than the one claiming A. afarensis were arboreal because Lucy’s bones indicate that she died falling from a tree, when taphonomic factors were not considered.

Elephants are being born without tusks as a result of poachers targeting those with larger tusks. Anyone looking for a really sad example of selection pressure?

The FDA has approved drug trials to test whether MDMA can be used to treat PTSD. Good work, MAPS! MDMA has shown promise in smaller trials that have helped individuals suffering from PTSD who did not see improvement through traditional treatment protocols.

Nicholas Kristof at NYT wrote a list of suggested charities to give to this holiday season.

Here’s a fascinating and mind-boggling descent into millionaire offshore accounts.

China’s missing girls are probably not missing due to demographic factors (abortion, infanticide) – the reasons are likely political.

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