Cosmic crash in Canada may have caused global climate shift 12,900 years ago
A dramatic global climate shift may be linked to the impact of an asteroid or comet in Quebec, according to researchers from the University of Delaware, Dartmouth College and Elizabeth City State University.
The findings appear in the Sept. 2 online Early Edition of the Proceedings of the National Academy of Sciences (PNAS). (more…)
*Combination of colossal canines and forceful forelimbs arose repeatedly over time*
The toothiest prehistoric predators also had beefier arm bones, according to results of a study published today in the journal Paleobiology.
Saber-toothed tigers may come to mind, but these extinct cats weren’t the only animals with fearsome fangs.
Take the false saber-toothed cats–also known as nimravids–and their catlike cousins, a family of carnivores called the barbourofelids. (more…)
