Evidence disproving tropical 'thermostat' theory

Evidence disproving tropical 'thermostat' theory 03/08/2017 11:13 AM EST New research findings show that as the world warmed millions of years ago, conditions in the tropics may have made it so hot some organisms couldn't survive. Full story at http://www.purdue.edu/newsroom/releases/2017/Q1/evidence-disproving-tropical-thermostat-theory-global-warming-can-breach-limits-for-life.html Source Purdue University This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery, on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111