BlogArena

General blog about anything and everything of everyday's life.

December 2, 2013
by Guest Post
0 comments

Acid raid, ozone depletion contributed to ancient extinction

Washington, D.C.— Around 250 million years ago, at the end of the Permian period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth’s history. Some researchers have suggested that this extinction … Continue reading

March 2, 2012
by Guest Post
0 comments

Oceans Acidifying Faster Today Than in Past 300 Million Years

*Few parallels for today’s rapid ocean changes in geologic record* The oceans may be acidifying faster today than they did in the last 300 million years, according to scientists publishing a paper this week in the journal Science. “What we’re … Continue reading

February 8, 2012
by Guest Post
0 comments

Global Extinction: Gradual Doom as Bad as Abrupt

*In “The Great Dying” 250 million years ago, the end came slowly* The deadliest mass extinction of all took a long time to kill 90 percent of Earth’s marine life–and it killed in stages–according to a newly published report. It … Continue reading