News tagged with ancient climate
Giant extinct snake may -- or may not -- shed light on ancient climate
Other Sciences / Archaeology & Fossils
Aug 03, 2009 |
4.2 / 5 (5) |
5
(PhysOrg.com) -- Snakes coil up when they sense danger. Some snakes curl up in order to spring into action and strike. Snakes may also coil to preserve body heat, and this warming behavior could affect our understanding of ...
Sediment yields climate record for past half-million years
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.5 / 5 (10) |
1
Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.
Scientists find more dinosaur bones at Utah quarry
Other Sciences / Archaeology & Fossils
Jun 05, 2009 |
5 / 5 (4) |
0
(AP) -- Scientists at one of Utah's major new dinosaur quarries have found 60 to 70 new bones this spring, including what appears to be a 20-foot-long neck bone discovered this week.
Researchers find ancient climate cycles recorded in Mars rocks
Space & Earth / Space Exploration
Dec 04, 2008 |
4.7 / 5 (20) |
2
Researchers at the California Institute of Technology (Caltech) and their colleagues have found evidence of ancient climate change on Mars caused by regular variation in the planet's tilt, or obliquity. On ...
Search results for ancient climate
Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic
Space & Earth / Earth Sciences
Nov 10, 2009 |
5 / 5 (2) |
0
The Congo Basin -- with its massive, lush tropical rain forest -- was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana. The Congo Basin was ...
California's Ancient Kelp Forest
Nov 10, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- The kelp forests off southern California are considered to be some of the most diverse and productive ecosystems on the planet, yet a new study indicates that today's kelp beds are less extensive and lush ...
Newly drilled ice cores may be the longest taken from the Andes
Space & Earth / Earth Sciences
Nov 02, 2009 |
3.7 / 5 (3) |
0
Researchers spent two months this summer high in the Peruvian Andes and brought back two cores, the longest ever drilled from ice fields in the tropics.
Life's Ancient Island in the Ice
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.6 / 5 (12) |
3
During the last ice age, massive glaciers covered much of our planet. However, a region of Alaska, Siberia and the Canadian Yukon remained ice-free. This region, known as Beringia, supported unique organisms ...
Channels from Mars Hale Crater
Space & Earth / Space Exploration
Oct 28, 2009 |
4.3 / 5 (7) |
1
(PhysOrg.com) -- This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) ...
Volcanoes played pivotal role in ancient ice age, mass extinction
Space & Earth / Earth Sciences
Oct 26, 2009 |
4.6 / 5 (14) |
3
(PhysOrg.com) -- Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago.
Seafloor Fossils Provide Clues on Climate Change
Space & Earth / Earth Sciences
Oct 22, 2009 |
4 / 5 (6) |
1
Deep under the sea, a fossil the size of a sand grain is nestled among a billion of its closest dead relatives. Known as foraminifera, these complex little shells of calcium carbonate can tell you the sea ...
Ancient bison genetic treasure trove for farmers
Oct 20, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Genetic information from an extinct species of bison preserved in permafrost for thousands of years could help improve modern agricultural livestock and breeding programs, according to University ...
Arctic lake sediments show warming, unique ecological changes in recent decades
Space & Earth / Earth Sciences
Oct 19, 2009 |
4 / 5 (9) |
2
An analysis of sediment cores indicates that biological and chemical changes occurring at a remote Arctic lake are unprecedented over the past 200,000 years and likely are the result of human-caused climate ...
Killer algae a key player in mass extinctions
Space & Earth / Earth Sciences
Oct 19, 2009 |
4.4 / 5 (17) |
4
Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...
List of search results for ancient climate
