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Earth’s species may not be vanishing as fast as previously believed

Mass extinction? Man may still have time to catalog Earth's species. For years, ecologists and biologists have warned that the planet is sliding into a mass extinction event comparable to the one that did in the dinosaurs 65 million years ago. But Earth’s species may not be vanishing as fast…

Oldest known croc had a shield-like head: study

The oldest known species of crocodile had an armor-plated head and a body half the length of a subway car, according to research released Tuesday by US scientists who identified the now-extinct creature. Nicknamed “Shieldcroc” for its impressive head plate, the aquatic reptile swam in the waters of Africa some…