Whew, the SAT is done – good job! The scores are released starting October 15. In the meantime, while you bite your nails, here’s a really cool article on a theory that explains why there was no second age of reptiles after the comet (the Chicxulub impactor) that killed the dinosaurs. Check it out – and don’t bite your nails, it’s gross!
Updating the fungal infection-mammalian selection hypothesis at the end of the Cretaceous Period
