A provocative new Northwestern University and Claremont McKenna, Scripps and Pitzer colleges study suggests it was the power of the eyes and not the limbs that first led our ancient aquatic ancestors to make the momentous ...
Archaeology
Mar 7, 2017
5
1536
At temporary stream sites, researchers found that just three types, or 'taxa', of invertebrates remained following a long drought. At sites that experienced shorter dry spells, 24 taxa remained.
Environment
May 5, 2016
0
10
Ever come across a slater, woodlouse or pill bug tucked under a rock in your garden? These tiny creatures and others like them hide in the moist earth under rocks and logs to avoid drying out.
Plants & Animals
Feb 15, 2016
0
137
When a distant planet appears as a point of light in a telescope, it's hard to imagine what things are like at the surface. Does rain fall? Is the atmosphere thick, or dissipating into space? How constant is the sunlight ...
Astronomy
Mar 3, 2014
3
0
(Phys.org) —Massive terrestrial planets, called "super-Earths," are known to be common in our galaxy, the Milky Way. Now a Northwestern University astrophysicist and a University of Chicago geophysicist report the odds ...
Astronomy
Jan 7, 2014
5
0
NASA's Curiosity rover is revealing a great deal about Mars, from long-ago processes in its interior to the current interaction between the Martian surface and atmosphere.
Space Exploration
Sep 26, 2013
1
0
With sea ice at its lowest point in 1,500 years, how might ecological communities in the Arctic be affected by its continued and even accelerated melting over the next decades? In a review article in the journal Science, ...
Ecology
Aug 1, 2013
0
0
A study by scientists with the U.S. Forest Service, Harvard University and partners suggests that trees are responding to higher atmospheric carbon dioxide levels by becoming more efficient at using water.
Environment
Jul 10, 2013
0
0
(Phys.org) —For most terrestrial life on Earth, oxygen is necessary for survival. But the planet's atmosphere did not always contain this life-sustaining substance, and one of science's greatest mysteries is how and when ...
Earth Sciences
Jun 26, 2013
0
0
(Phys.org) —A new study published today in Nature by researchers at the University of New Mexico indicates the immense amount of fresh water used by plants and its movement during their life cycle has significant implications ...
Environment
Apr 4, 2013
8
0
