ITHACA, NY Shedding new light on the vanished reptiles that once dominated the planet, paleontologists at Cornell University told reporters Thursday they had discovered evidence that suggested dinosaurs would have driven themselves to extinction through greed and complacency anyway. “New findings in the fossil record…
Extinctions caused by human activity are disrupting a key feature of ecosystems that has existed since the dinosaurs were wiped out – with unpredictable consequences for wildlife and people, say scientists.