Sloths may be slow but their body size evolved really fast
Today’s sloths might be known as slow, small animals, but their ancestors developed large body sizes at an amazing rate, according to…
Day: September 17, 2014
Deciduous trees flourished after dinosaur-killing meteor impact
Some 66 million years ago, a 10-km diameter chunk of rock hit the Yukatan peninsula near the site of the small town of Chicxulub with the…