News tagged with fossil deposits
Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes
The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes, ...
Space & Earth / Earth Sciences
Nov 05, 2009 |
3.3 / 5 (4) |
3
Unexpected amber find rewrites botanical history
(PhysOrg.com) -- An unexpected discovery made by Macquarie University PhD student Sargent Bray about the origin and nature of chemical compounds contained in ancient amber has changed our understanding of ...
Oct 02, 2009 |
4.6 / 5 (9) |
0
Evidence of the 'Lost World' -- did dinosaurs survive the end Cretaceous extinctions?
The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ...
Other Sciences / Archaeology & Fossils
Apr 28, 2009 |
4.5 / 5 (14) |
2
Search results for fossil deposits
High planetary tilt lowers odds for life?
Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long ...
Space & Earth / Space Exploration
Feb 06, 2012 |
4.6 / 5 (13) |
14
|
Sediments from the Enol lake reveal more than 13,500 years of environmental history
A team of Spanish researchers have used different geological samples, extracted from the Enol lake in Asturias, to show that the Holocene, a period that started 11,600 years ago, did not have a climate as ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
4.1 / 5 (7) |
1
Global extinction: Gradual doom is just as bad as abrupt
A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
4.2 / 5 (20) |
0
|
Winged dinosaur Archaeopteryx dressed for flight
Since its discovery 150 years ago, scientists have puzzled over whether the winged dinosaur Archaeopteryx represents the missing link in birds' evolution to powered flight. Much of the debate has focused on the ...
Other Sciences / Archaeology & Fossils
Jan 24, 2012 |
4.8 / 5 (4) |
3
|
Acid rain poses a previously unrecognized threat to Great Lakes sugar maples
(PhysOrg.com) -- The number of sugar maples in Upper Great Lakes forests is likely to decline in coming decades, according to University of Michigan ecologists and their colleagues, due to a previously unrecognized ...
Jan 16, 2012 |
5 / 5 (2) |
0
Study provides new insights into an ancient mechanism of mammalian evolution
A team of geneticists and computational biologists in the UK today reveal how an ancient mechanism is involved in gene control and continues to drive genome evolution. The new study is published in the journal ...
Jan 12, 2012 |
4.6 / 5 (5) |
0
|
Mammalian fossil first-ever found in the Cenozoic deposits of the Lunpola Basin, Northern Tibet
Dr. DENG Tao, Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, and his research team, found a rhinocerotid fossil in the upper part of the Dingqing Formation ...
Other Sciences / Archaeology & Fossils
Jan 09, 2012 |
4 / 5 (1) |
0
First-known ginglymodian fish found from the middle triassic of Eastern Yunnan Province, China
The Ginglymodi are a group of ray-finned fishes that make up one of three major subdivisions of the infraclass Neopterygii. Extant ginglymodians are represented by gars, which inhabit freshwater environments ...
Other Sciences / Archaeology & Fossils
Jan 09, 2012 |
5 / 5 (1) |
0
New instrument peers through the heart of the Milky Way
(PhysOrg.com) -- Astronomy has a powerful new tool to probe the structure of our galaxy. The Apache Point Observatory Galactic Evolution Experiment (APOGEE) spectrograph is the newest instrument deployed by ...
Jan 09, 2012 |
4.3 / 5 (3) |
0
50 million year old cricket and katydid fossils hint at the origins of insect hearing
How did insects get their hearing? A new study of 50 million year-old cricket and katydid fossils sporting some of the best preserved fossil insect ears described to date help trace the evolution ...
Other Sciences / Archaeology & Fossils
Jan 03, 2012 |
not rated yet |
0
List of search results for fossil deposits