News tagged with north america
Bering Strait may be global temperature stabilizer
(Phys.org) -- A diverse group of climate researchers has found after running computer simulations that the strait that separates North America and Russia might be serving as a global temperature stabilizer. ...
Over 65 million years North American mammal evolution has tracked with climate change
Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led ...
Dec 26, 2011 |
4 / 5 (17) |
16
|
Paleo-Indians settled North America earlier than thought: study
New discoveries at a Central Texas archaeological site by a Texas A&M University-led research team prove that people lived in the region far earlier as much as 2,500 years earlier than previously ...
Other Sciences / Archaeology & Fossils
Mar 24, 2011 |
4.3 / 5 (15) |
4
|
Comet impact theory disproved
New data, published today, disproves the recent theory that a large comet exploded over North America 12,900 years ago, causing a shock wave that travelled across North America at hundreds of kilometres per hour and triggering ...
Space & Earth / Space Exploration
Jan 26, 2009 |
2.9 / 5 (9) |
6
Global mobile payments to top $171 bn: survey
Worldwide mobile payments are expected to top $171.5 billion in 2012, a 61.9 percent increase from 2011, a research report said Tuesday.
May 29, 2012 |
not rated yet |
1
Solar eclipse this weekend
Something strange is about to happen to the shadows beneath your feet.
Space & Earth / Space Exploration
May 16, 2012 |
5 / 5 (3) |
2
|
New study shows early North Americans lived with extinct giant beasts
(Phys.org) -- A new University of Florida study that determined the age of skeletal remains provides evidence humans reached the Western Hemisphere during the last ice age and lived alongside giant extinct mammals.
Other Sciences / Archaeology & Fossils
May 03, 2012 |
4 / 5 (6) |
21
|
Italian merchants funded England's discovery of North America
Evidence that a Florentine merchant house financed the earliest English voyages to North America, has been published on-line in the academic journal Historical Research.
Other Sciences / Archaeology & Fossils
Apr 30, 2012 |
4.8 / 5 (4) |
3
|
Diversity aided mammals' survival over deep time
When it comes to adapting to climate change, diversity is the mammal's best defense.
Apr 23, 2012 |
5 / 5 (3) |
0
|
DNA evidence offers proof of North American native population decline due to arrival of Europeans
(PhysOrg.com) -- Most history books report that Native American populations in North America declined significantly after European colonizers appeared, subsequent to the “discovery” of the new world by Christopher ...
Today's severe drought, tomorrow's normal
(PhysOrg.com) -- While the worst drought since the Dust Bowl of the 1930s grips Oklahoma and Texas, scientists are warning that what we consider severe drought conditions in North America today may be normal ...
Space & Earth / Earth Sciences
Dec 06, 2011 |
3.6 / 5 (12) |
8
|
Oil sands digger uncovers dinosaur
A heavy equipment operator unearthed what appears to be a nearly complete plesiosaur while digging in Canada's oil sands, Syncrude announced Thursday.
Other Sciences / Archaeology & Fossils
Nov 24, 2011 |
4.5 / 5 (21) |
47
Hunters present in North America 800 years earlier than previously thought: DNA analysis
The tip of a bone point fragment found embedded in a mastodon rib from an archaeological site in Washington state shows that hunters were present in North America at least 800 years before Clovis, confirming ...
Other Sciences / Archaeology & Fossils
Oct 20, 2011 |
4.3 / 5 (7) |
2
|
NASA: Satellite fell in south Pacific, not Canada
That dead NASA satellite fell into what might be the ideal spot - part of the south Pacific Ocean about as far from large land masses as you can get, U.S. space officials said Tuesday.
Space & Earth / Space Exploration
Sep 27, 2011 |
5 / 5 (1) |
2
The grass is always greener
(PhysOrg.com) -- Recent study of grasslands shows that species variety more important to ecosystem services than previously thought.
Aug 19, 2011 |
5 / 5 (1) |
0
|