News tagged with high altitude
Study shows humans still evolving
(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cu ...
Oct 04, 2011 |
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Tibetan adaptation to high altitude occurred in less than 3,000 years
(PhysOrg.com) -- A comparison of the genomes of 50 Tibetans and 40 Han Chinese shows that ethnic Tibetans split off from the Han less than 3,000 years ago and since then rapidly evolved a unique ability to thrive at high ...
Jul 01, 2010 |
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Scientists uncover the genetic secrets that allow Tibetans to thrive in thin air
A new study pinpoints the genetic changes that enable Tibetans to thrive at altitudes where others get sick.
Jun 07, 2010 |
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Experimental explanation of supercooling: Why water does not freeze in the clouds (w/ Video)
Supercooling, a state where liquids do not solidify even below their normal freezing point, still puzzles scientists today. A good example of this phenomenon is found everyday in meteorology: clouds in high ...
Apr 21, 2010 |
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If you want to lose weight, find a mountain retreat
(PhysOrg.com) -- A new study has found the secret to effortless weight loss: spend some time at high altitude. Even a week on a mountain retreat can produce weight loss in sedentary people eating as much as ...
Feb 05, 2010 |
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New research discovers metabolic adaptation to high altitudes
When mammals are cold, they can employ physical changes to stay warm -- such as intense shivering. Like any form of aerobic exercise, though, "shivering thermogenesis" is especially challenging at high altitudes ...
May 17, 2012 |
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ENASA satellite finds Earth's clouds are getting lower
(PhysOrg.com) -- Earth's clouds got a little lower -- about one percent on average -- during the first decade of this century, finds a new NASA-funded university study based on NASA satellite data. The results ...
Space & Earth / Earth Sciences
Feb 22, 2012 |
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Dawn beams back asteroid science data
(PhysOrg.com) -- The Dawn spacecraft has completed a graceful spiral into the first of four planned science orbits during the spacecraft's yearlong visit to Vesta. The spacecraft started taking detailed observations ...
Space & Earth / Space Exploration
Aug 12, 2011 |
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Flowering plant found at record 4,505m in Swiss alps
A flowering plant has been found at an altitude of above 4,505 metres (14,780 feet) on the central Swiss alps -- a European record, Basel University said Tuesday.
May 24, 2011 |
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Ancient high-altitude trees grow faster as temperatures rise
PIC=32536:left]Increasing temperatures at high altitudes are fueling the post-1950 growth spurt seen in bristlecone pines, the world's oldest trees, according to new research.
Space & Earth / Earth Sciences
Nov 16, 2009 |
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New Balloon Successfully Flight-Tested Over Antarctica
(PhysOrg.com) -- NASA and the National Science Foundation have successfully launched and demonstrated a newly designed super pressure balloon prototype that may enable a new era of high-altitude scientific ...
Space & Earth / Earth Sciences
Jan 09, 2009 |
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Mountaineers measure lowest human blood oxygen levels on record
The lowest ever levels of oxygen in humans have been reported in climbers on an expedition led by UCL (University College London) doctors. The world-first measurements of blood oxygen levels in climbers near the top of Mount ...
Medicine & Health / Medical research
Jan 07, 2009 |
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On the hunt for high-altitude microorganisms
The United States Rocket Academy has announced an open call for entries in its High Altitude Astrobiology Challenge, a citizen science project that will attempt to collect samples of microbes that may be lurking ...
Space & Earth / Space Exploration
May 21, 2012 |
4 / 5 (4) |
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Exclusive species found at higher altitudes
Researchers have long postulated that animal and vegetation species living in mountainous areas of high altitude are isolated, and thus much more exclusive. A new Spanish-German study substantiates this long-held ...
Apr 12, 2012 |
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Orion Crew capsule targeted for 2014 leap to high orbit
NASA is on course to make the highest leap in human spaceflight in nearly 4 decades when an unmanned Orion crew capsule blasts off from Cape Canaveral, Fla., on a high stakes, high altitude test flight in ...
Space & Earth / Space Exploration
Mar 21, 2012 |
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