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June 06, 2008

Shoes push civilization way back – science roundup

Shoes 40,000 years ago

A study of skeletons, based on how shoe-wearing is known to change foot and calf structure in modern humans, says our ancestors were shod that long ago.

The strange world of parasites

It now includes catepillars wigging out for a parasitic wasp.

How little we know about serotonin and the mind

The neurotransmitter does have some control over both weight and eating habits, but by different channels. We’re probably nowhere near understanding all the different ways in which the big three of serotonin, dopamine and norepinephrine work.

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