Posts Tagged ‘oxygen’
Oxygen levels fell in Ice Age oceans
MCGILL (CAN) — Data from the end of the last Ice Age confirm that a changing climate lowers the amount of oxygen in the water. Continue…
Friday, December 23, 2011 10:49 - 0 Comments
Earth & Environment - Dec 6, 2011 10:03 - 0 Comments
Earth’s oxygen came in ‘starts and stops’
PENN STATE (US) — The appearance of oxygen in the Earth’s atmosphere probably did not occur as a single event, according to an international team of researchers who investigated rock cores. (more…)
Top Stories - Aug 31, 2011 17:10 - 1 Comment
Tiny devices in tumors generate oxygen
PURDUE (US) — Micro devices implanted inside tumors to generate oxygen boost the cancer-killing power of radiation and chemotherapy. (more…)
Health & Medicine - Jul 12, 2011 10:47 - 3 Comments
Oxygen in eyes may raise glaucoma risk
WASHINGTON U.-ST. LOUIS (US) — Higher oxygen levels in the eyes may explain why African Americans have a higher risk of glaucoma than Caucasians. (more…)
Top Stories - Jun 22, 2011 10:25 - 4 Comments
How to split water with silicon and sunshine
STANFORD (US) — Researchers have overcome a major obstacle to using solar power to split water into pure oxygen and hydrogen fuel—the Holy Grail for clean energy. (more…)
Earth & Environment - Jun 7, 2010 14:56 - 0 Comments
Extreme spring points to life on Mars
McGILL (CAN)—Methane-eating bacteria are able to survive in a highly unique spring located on Axel Heiberg Island in the Nunavut Territory in Canada’s extreme North. (more…)
Earth & Environment - May 11, 2010 15:17 - 0 Comments
Stressors choking life out of NY rivers
SYRACUSE U. (US)—More than one-third of the 90-kilometer length of Central New York’s Three Rivers system failed to meet the state’s water quality oxygen standard in a recent study. (more…)
Health & Medicine - Dec 3, 2009 18:31 - 0 Comments
Save soldiers by stretching ‘golden hour’
TEXAS A&M (US)—Researchers are investigating frontline treatments that would give injured U.S. military personnel a better chance at survival when there is massive blood loss. (more…)
Health & Medicine - Oct 7, 2009 13:24 - 2 Comments
Drug may help suffocate cancer cells
EMORY—A fast growing tumor eventually outpaces its blood and oxygen supply, which drives cancer cells to send out signals that attract new blood vessels. Now, researchers have identified a chemical that stops cells for responding to low oxygen. (more…)
Earth & Environment - Aug 10, 2009 4:00 - 0 Comments
In African rocks, traces of evolutionary blast
UNC marine geologist Justin Ries in the Zebra River Valley, southern Namibia. The Nama Group carbonates, which contain sulfur isotopic signatures suggesting that low marine sulfate and low atmospheric oxygen conditions persisted up until the Cambrian Explosion, loom in the background. (Credit: Gordon Love)
Science & Technology - Jun 10, 2009 6:00 - 2 Comments
Alligator lungs show how dinosaurs adapted
Biologist James Hicks studies alligators for insight into dinosaur survival in the prehistoric atmosphere. His findings shed light on how animals adapt to changing oxygen levels. (Credit: Daniel A. Anderson)
