Tag:
Extinction
May 8, 2013
Volcanic Eruptions Timed Close to Mass Extinction
A study recently published in the journal <em>Science</em> puts a time period on the eruptions that is far more concrete than any estimate thus far.
Feb 21, 2013
Did “Invasions” Occur in the Fossil Record?
A panel of evolutionary biologists during Ithaca Darwin Days reflects on what we can learn about species invasions from the fossil record.Are human-facilitated invasions today the same kinds of events as Earth-facilitated changes in species distributions in the distant past? Are all species invasions “destructive”? Does invasion shut down speciation? Do we really know what the rate of invasion was in the past? In most instances, we simply don’t know.
Oct 22, 2012
How Human Beings Almost Vanished From Earth In 70,000 B.C.
"We damn near went extinct."
Feb 15, 2012
Mass Extinction Survivors Took 2M Years to Evolve
The discovery challenges the widely held assumption that a period of explosive evolution quickly follows for survivors of mass extinctions.