Polar bear evolution tracked climate change, new DNA study suggests
Woolly mammoth extinction has lessons for modern climate change
Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the ...
Jun 12, 2012
4.6 / 5 (11)
23
|
Earth's massive extinction: The story gets worse
Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...
Jan 05, 2012
4 / 5 (25)
36
|
Coral reefs 'ruled by earthquakes and volcanoes'
(Phys.org) —Titanic forces in the Earth's crust explain why the abundance and richness of corals varies dramatically across the vast expanse of the Indian and Pacific Oceans, a world-first study from the ...
May 22, 2013
not rated yet
0
|
Comprehensive analysis of impact spherules supports theory of cosmic impact 12,800 years ago
About 12,800 years ago when the Earth was warming and emerging from the last ice age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state. According ...
May 21, 2013
5 / 5 (22)
16
|
Doubt over 'volcanic winter' after Toba super-eruption
(Phys.org) —New research from Oxford University casts doubt on the theory that the Mount Toba super-eruption, which took place at the Indonesian island of Sumatra 75,000 years ago, could have plunged the ...
May 01, 2013
5 / 5 (6)
1
|
When it rains these days, does it pour? Has the weather become stormier as the climate warms?
There's little doubt—among scientists at any rate—that the climate has warmed since people began to release massive amounts greenhouse gases to the atmosphere during the Industrial Revolution.
Mar 17, 2013
4.5 / 5 (11)
14
|
Statistical physics offers a new way to look at climate
Scientists are using ever more complex models running on ever more powerful computers to simulate the earth's climate. But new research suggests that basic physics could offer a simpler and more meaningful ...
Mar 05, 2013
3.6 / 5 (8)
2
|
Researchers find new information about 'Snowball Earth' period
It is rather difficult to imagine, but approximately 635 million years ago, ice may have covered a vast portion of our planet in an event called "Snowball Earth." According to the Snowball Earth hypothesis, the massive ice ...
Feb 28, 2013
5 / 5 (6)
18
|
Weather extremes provoked by trapping of giant waves in atmosphere
The world has suffered from severe regional weather extremes in recent years, such as the heat wave in the United States in 2011 or the one in Russia 2010 coinciding with the unprecedented Pakistan flood. ...
Feb 25, 2013
4.2 / 5 (14)
32
|
Extreme weather events a potent force for arctic overwintering populations
Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now, a ...
Jan 17, 2013
not rated yet
0
|
New test adds to scientists' understanding of Earth's history, resources
(Phys.org)—A new study co-authored by a University of Florida researcher provides the first direct chronological test of sequence stratigraphy, a powerful tool for exploring Earth's natural resources.
Dec 05, 2012
4.2 / 5 (5)
0
|
Climate change: drought benchmark is flawed, study says
A scientific method used in a landmark UN report that said warming was intensifying global drought is badly flawed, a study published on Wednesday said.
Nov 14, 2012
4.4 / 5 (14)
93
Did a Pacific Ocean meteor trigger the Ice Age?
(Phys.org)—When a huge meteor collided with Earth about 2.5 million years ago in the southern Pacific Ocean it not only likely generated a massive tsunami but also may have plunged the world into the Ice ...
Sep 19, 2012
3.8 / 5 (9)
10
|
Record loss of Arctic ice may trigger extreme weather
Arctic sea ice is shrinking at a rate much faster than scientists ever predicted and its collapse, due to global warming, may well cause extreme weather this winter in North America and Europe, according to climate scientists.
Sep 17, 2012
4.3 / 5 (13)
151
