Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'
Space & Earth / Earth Sciences
Apr 17, 2009 |
4.8 / 5 (78) |
7
(PhysOrg.com) -- New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next ...
Forests could flip from sink to source of CO2: study
Apr 17, 2009 |
4.7 / 5 (78) |
12
Forests that today soak up a quarter of carbon pollution spewed into the atmosphere could soon become a net source of CO2 if Earth's surface warms by another two degrees Celsius (3.6 degrees Fahrenheit), cautions ...
EPA finds greenhouse gases pose a danger to health
Apr 17, 2009 |
4.5 / 5 (74) |
9
(AP) -- The Environmental Protection Agency concluded Friday that greenhouse gases linked to climate change "endanger public health and welfare," setting the stage for regulating them under federal clean air laws.
Scientists issue warning on future of central Arctic
Apr 17, 2009 |
4.2 / 5 (35) |
12
(PhysOrg.com) -- Scientists have warned that world leaders are in a race against time to make key decisions about the future of international co-operation in the Arctic.
Researchers Crack the Mystery of Resilient Teeth
Apr 17, 2009 |
4.9 / 5 (14) |
0
(PhysOrg.com) -- After years of biting and chewing, how are human teeth able to remain intact and functional? A team of researchers from The George Washington University and other international scholars have ...
Lunar Reconnaissance Orbiter to Help Astronauts Survive in Infinity
Space & Earth / Space Exploration
Apr 17, 2009 |
4.9 / 5 (12) |
5
(PhysOrg.com) -- Space seems exotic, forbidding, and remote, but imagine trying to survive winter without a heated shelter or warm clothing. Our ancestors developed these technologies because they needed room ...
Venus Disappears during Meteor Shower
Space & Earth / Space Exploration
Apr 17, 2009 |
4.8 / 5 (12) |
0
Picture this: It's 4:30 in the morning. You're up and out before the sun. Steam rises from your coffee cup, floating up to the sky where a silent meteor streaks through a crowd of stars. A few minutes later ...
Fossils suggest earlier land-water transition of tetrapod
Other Sciences / Archaeology & Fossils
Apr 17, 2009 |
4.6 / 5 (9) |
0
New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.
Chameleon-like camouflage: 'Nano-camo' for fashionistas and environmentalists
Nanotechnology / Nanomaterials
Apr 17, 2009 |
4 / 5 (10) |
1
(PhysOrg.com) -- Certain fish species blend with their environment by changing color. Sandia National Laboratories researchers have demonstrated that, in theory, they could cause synthetic materials to change ...
Autopsy study links prostate cancer to single rogue cell
Apr 17, 2009 |
4.9 / 5 (8) |
0
that's all it takes to begin a series of events that lead to metastatic cancer. Now, Johns Hopkins experts have tracked how the cancer process began in 33 men with prostate cancer who died of the disease. Culling information ...
Study points to disruption of copper regulation as key to prion diseases
Apr 17, 2009 |
4.8 / 5 (8) |
1
(PhysOrg.com) -- An investigation of a rare, inherited form of Creutzfeldt-Jakob disease suggests that disrupted regulation of copper ions in the brain may be a key factor in this and other prion diseases.
Hollywood scores win over Pirate Bay, 4 convicted
Apr 17, 2009 |
2.9 / 5 (13) |
44
(AP) -- The entertainment industry won round one Friday in a legal battle against file-sharing hub The Pirate Bay, with guilty verdicts and one-year prison sentences handed down to four men accused of running ...
Alligators hint at what life may have been like for dinosaurs
Apr 17, 2009 |
4.1 / 5 (8) |
3
During the last 540 million years, the earth's oxygen levels have fluctuated wildly. Knowing that the dinosaurs appeared around the time when oxygen levels were at their lowest at 12%, Tomasz Owerkowicz, Ruth ...
Laughter remains good medicine
Medicine & Health / Psychology & Psychiatry
Apr 17, 2009 |
5 / 5 (6) |
0
The connection between the body, mind and spirit has been the subject of conventional scientific inquiry for some 20 years. The notion that psychosocial and societal considerations have a role in maintaining health and preventing ...
Rescue shuttle moved to launch pad just in case
Space & Earth / Space Exploration
Apr 17, 2009 |
4.3 / 5 (7) |
1
(AP) -- Space shuttle Endeavour is on a launch pad, ready to rocket off on a rescue mission if shuttle Atlantis needs help when it flies to repair the Hubble Space Telescope next month.
