Asteroids, not volcanoes to blame for dinosaurs¡¯ demise
A study from the University of Âé¶¹´«Ã½ at ²Ñ¨¡²Ô´Ç²¹ and an international research team argues that environmental impacts from massive volcanic eruptions happened well before the Cretaceous-Paleogene extinction event 66 million years ago.
