From the first moment a fossil is weathered out of its stony tomb, its days are sadly numbered. Wind, rain, the heat of day and cold of night relentlessly chip away at exposed fossils until they crumble to dust . . . unless a human happens to stumble across them first.
In 2007, Dr. Jill Pruetz reported an extraordinary discovery: chimpanzees in southeastern Senegal were using spears to hunt their food. And slightly stranger still, it seemed like the females were doing a lot of the spearing.
Interesting Carl Zimmer piece in the NY Times today. Looks like human tissue metabolism is drastically different from animal tissue metabolism in exactly two areas: our prefrontal cortex, and our muscles.