A new study examining how ice forms from pure water found that the geometry of the surface that water is on can have an effect on whether or not it freezes, suggesting that surface geometry plays an important role in ice ...
Condensed Matter
May 17, 2017
0
159
In few places are the effects of climate change more pronounced than on tropical peaks like Mount Kilimanjaro and Mount Kenya, where centuries-old glaciers have all but melted completely away. Now, new research suggests that ...
Environment
Jan 27, 2017
16
282
Last year, the Earth sweltered under the hottest temperatures in modern times for the third year in a row, US scientists said Wednesday, raising new concerns about the quickening pace of climate change.
Environment
Jan 18, 2017
87
1013
How can we ever know what ancient animals ate? For the first time, the changing diets of elephants in the last two million years in China have been reconstructed, using a technique based on analysis of the surface textures ...
Archaeology
Jul 28, 2016
0
17
An international team of scientists has used air bubbles in polar ice from pre-industrial times to measure the sensitivity of the Earth's land biosphere to changes in temperature.
Earth Sciences
Jul 26, 2016
4
42
The recent trend of increasing Antarctic sea ice extent—seemingly at odds with climate model projections—can largely be explained by a natural climate fluctuation, according to a new study led by the National Center for ...
Earth Sciences
Jul 4, 2016
37
67
The way the ocean transported heat, nutrients and carbon dioxide at the peak of the last ice age, about 20,000 years ago, is significantly different than what has previously been suggested, according to two new studies. The ...
Earth Sciences
Jun 27, 2016
0
416
Why has the sea ice cover surrounding Antarctica been increasing slightly, in sharp contrast to the drastic loss of sea ice occurring in the Arctic Ocean? A new NASA-led study finds the geology of Antarctica and the Southern ...
Earth Sciences
May 23, 2016
3
117
Twenty thousand years ago, when humans were still nomadic hunters and gatherers, low concentrations of carbon dioxide in the atmosphere allowed the earth to fall into the grip of an ice age. But despite decades of research, ...
Earth Sciences
Feb 3, 2016
8
1110
NASA's Dawn spacecraft is about to start its investigation of the largest member of the asteroid belt, 1 Ceres. It will take detailed images of the dwarf planet, and produce a geological map of its entire surface. But even ...
Space Exploration
Mar 18, 2015
12
407
