Rise in oxygen levels links to ancient explosion of life, researchers find

Rise in oxygen levels links to ancient explosion of life, researchers find 11/24/2017 02:56 PM EST A team of researchers, including a faculty member and postdoctoral fellow from Washington University in St. Louis, found that oxygen levels appear to increase by roughly 80 percent at about the same time as a three-fold increase in biodiversity during the Ordovician Period, between 445 and 485 million years ago, according to a study published Nov. 20 in Nature Geoscience. Full story at https://source.wustl.edu/2017/11/oxygen-levels-link-ancient-explosion-life-researchers-find/ Source Washington University in St. Louis This is an NSF News From the Field item. Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 2415 Eisenhower Avenue, Alexandria, VA 22314 · 703-292-5111