First plants caused ice ages: research

New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.

Plunge in CO2 put the freeze on Antarctica

Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve ...

Gray whales likely survived the Ice Ages by changing their diets

(PhysOrg.com) -- Gray whales survived many cycles of global cooling and warming over the past few million years, likely by exploiting a more varied diet than they do today, according to a new study by University of California, ...

The mystery of particles

Particles cool down the climate, but to which extent? This has remained an unanswered question for scientists. A new article in Science by Gunnar Myhre at CICERO, Norway, brings the scientific community a step closer to solving ...

Satellites document effects of heat waves on plants

A new scientific study shows how periods of drought affect photosynthesis throughout the course of the day. The study found that plants in regions that are typically dry increase their CO2 intake during the morning hours ...

page 6 from 9