News tagged with million
Why is Greenland covered in ice?
Space & Earth / Earth Sciences
Aug 27, 2008 |
3.7 / 5 (63) |
14
There have been many reports in the media about the effects of global warming on the Greenland ice-sheet, but there is still great uncertainty as to why there is an ice-sheet there at all.
Scientists discover minimum mass for galaxies
Aug 27, 2008 |
4.4 / 5 (27) |
8
(PhysOrg.com) -- By analyzing light from small, faint galaxies that orbit the Milky Way, UC Irvine scientists believe they have discovered the minimum mass for galaxies in the universe – 10 million times the ...
U.S. economy: Light at the end of the tunnel
Aug 20, 2008 |
3.8 / 5 (8) |
1
(PhysOrg.com) -- Sure, the U.S. economy is struggling, but the end to the "growth recession" may be in sight, say University of Michigan economists.
Long-term study shows effect of climate change on animal diversity
Aug 19, 2008 |
3.4 / 5 (9) |
0
(PhysOrg.com) -- Two species of giraffe, several rhinos and five elephant relatives, along with multitudes of rodents, bush pigs, horses, antelope and apes, once inhabited what is now northern Pakistan. But ...
Pacific shellfish ready to invade Atlantic
Biology /
Aug 07, 2008 |
3.3 / 5 (3) |
0
As the Arctic Ocean warms this century, shellfish, snails and other animals from the Pacific Ocean will resume an invasion of the northern Atlantic that was interrupted by cooling conditions three million years ago, predict ...
Antarctic fossils paint a picture of a much warmer continent
Other Sciences / Archaeology & Fossils
Aug 04, 2008 |
4.6 / 5 (19) |
0
National Science Foundation-funded scientists working in an ice-free region of Antarctica have discovered the last traces of tundra--in the form of fossilized plants and insects--on the interior of the southernmost ...
Little teeth suggest big jump in primate timeline
Other Sciences / Archaeology & Fossils
Aug 04, 2008 |
4.2 / 5 (5) |
0
Tiny fossilized teeth excavated from an Indian open-pit coal mine could be the oldest Asian remains ever found of anthropoids, the primate lineage of today's monkeys, apes and humans, say researchers from Duke University ...
Cold and ice, not heat, episodically gripped tropical regions 300 million years ago
Space & Earth / Earth Sciences
Jul 31, 2008 |
4.5 / 5 (22) |
3
Geoscientists have long presumed that, like today, the tropics remained warm throughout Earth's last major glaciation 300 million years ago.
Isthmus of Panama formed as result of plate tectonics
Space & Earth / Earth Sciences
Jul 30, 2008 |
4.5 / 5 (22) |
2
Contrary to previous evidence, a new University of Florida study shows the Isthmus of Panama was most likely formed by a Central American Peninsula colliding slowly with the South American continent through tectonic plate ...
Golden scales: Nanoscale mass sensor from Berkeley can be used to weigh individual atoms and molecules
Jul 28, 2008 |
4.6 / 5 (22) |
1
(PhysOrg.com) -- There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley ...
Dinosaurrific! New Dinosaur Supertree
Biology /
Jul 23, 2008 |
4.4 / 5 (9) |
0
(PhysOrg.com) -- It has long been debated whether dinosaurs were part of the ‘Terrestrial Revolution’ that occurred some 100 million years ago during the Cretaceous when birds, mammals, flowering plants, insects ...
Volcanic eruptions wiped out ocean life 93 million years ago
Space & Earth / Earth Sciences
Jul 16, 2008 |
3.8 / 5 (38) |
8
University of Alberta scientists contend they have the answer to mass extinction of animals and plants 93 million years ago. The answer, research has uncovered, has been found at the bottom of the sea floor where lava fountains ...
Marsupials and humans shared same genetic imprinting 150 million years ago
Biology /
Jul 15, 2008 |
4.4 / 5 (9) |
0
Research published in Nature Genetics by a team of international scientists including the department of zoology at the University of Melbourne, Australia, has established an identical mechanism of genetic imprinting, a proc ...
Biofuels and biodiversity don't mix, ecologists warn
Jul 09, 2008 |
3.8 / 5 (6) |
0
Rising demand for palm oil will decimate biodiversity unless producers and politicians can work together to preserve as much remaining natural forest as possible, ecologists have warned. A new study of the potential ecological ...
Ancient marine invertebrate diversity less explosive than thought
Biology /
Jul 03, 2008 |
4.6 / 5 (5) |
0
Diversity among the ancestors of such marine creatures as clams, sand dollars and lobsters showed only a modest rise beginning 144 million years ago with no clear trend afterwards, according to an international ...
