Extensive lesions indicate dolphins and whales are attacking each other, PETA claimed.
Five thousand years after discovering agriculture, Europeans remained lactose intolerant.
Scientists also found human-like figurines and gold ornaments.
Kenya officials pledged to do what they can to use last breeding male to birth a calf.
A project involving more than 70 scientists has uncovered clues that will allow them to better map out the expansion of the universe and further understand dark matter and energy.
Women eat less and take up less space, and could result in big savings for an expensive mission.