Ancient tooth offers clues to how and when monkeys left Africa
(Phys.org) —The monkey roadmap out of Africa has a new timetable and route, thanks to a tiny tooth plucked from the Arabian desert.
Urination duration: Study finds most mammals need about 21 seconds
Headed to the bathroom? If you think you might have to "pee like a race horse," join the club - so does everyone else. Scientists who watched dozens of different mammals from rats to elephants relieve themselves ...