A human typically gives birth after nine months. An ostrich hatchling emerges from its egg after 42 days. But how long did it take for a baby dinosaur to incubate?
"We now know for sure that dinosaurs and dinosaur precursors lived alongside one another and that the rise of dinosaurs was more gradual, not a fast overtaking of other animals of the time."
A new species of giant sea lizard (mosasaur), discovered in 66-million-year-old rocks of Antarctica, is now the largest known top marine predator from this continent (about 33 feet long).