News tagged with life sciences
Climate-related changes on the Antarctic peninsula
Scientists have long established that the Antarctic Peninsula is one of the most rapidly warming spots on Earth. Now, new research using detailed satellite data indicates that the changing climate is affecting ...
Mar 16, 2009 |
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Biologists discover how yeast cells reverse aging
Human cells have a finite lifespan: They can only divide a certain number of times before they die. However, that lifespan is reset when reproductive cells are formed, which is why the children of a 20-year-old ...
Jun 24, 2011 |
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Bacteria can grow under extreme gravity: study
(PhysOrg.com) -- A new study in the Proceedings of the National Academy of Sciences shows that bacteria is capable of growing under gravity more than 400,000 times that of Earth and gives evidence that the th ...
Apr 26, 2011 |
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New technology dramatically extends battery life for mobile devices
Technophiles who have been dreaming of mobile devices that run longer on lighter, slimmer batteries may soon find their wish has been granted.
Mar 10, 2011 |
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Longevity pill on the horizon?
(PhysOrg.com) -- While applauding findings that an Easter Island compound extends the lives of middle-aged mice, University of Washington longevity researchers caution that healthy people shouldn't start taking the drug in ...
Medicine & Health / Medical research
Jul 10, 2009 |
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A small step for lungfish, a big step for the evolution of walking
The eel-like body and scrawny "limbs" of the African lungfish would appear to make it an unlikely innovator for locomotion. But its improbable walking behavior, newly described by University of Chicago scientists, ...
Dec 12, 2011 |
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Scientists develop first examples of RNA that replicates itself indefinitely
Now, a pair of Scripps Research Institute scientists has taken a significant step toward answering that question. The scientists have synthesized for the first time RNA enzymes that can replicate themselves without the help ...
Jan 09, 2009 |
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Study says money only makes you happy if it makes you richer than your neighbors
A study by researchers at the University of Warwick and Cardiff University has found that money only makes people happier if it improves their social rank. The researchers found that simply being highly paid wasn't enough ...
Medicine & Health / Psychology & Psychiatry
Mar 22, 2010 |
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Namibia sponge fossils are world's first animals: study
Scientists digging in a Namibian national park have uncovered sponge-like fossils they say are the first animals, a discovery that would push the emergence of animal life back millions of years.
Other Sciences / Archaeology & Fossils
Feb 06, 2012 |
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Scientists Find Clues to a Secret of Life
(PhysOrg.com) -- NASA scientists analyzing the dust of meteorites have discovered new clues to a long-standing mystery about how life works on its most basic, molecular level.
Mar 17, 2009 |
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'Un-growth hormone' increases longevity
A compound which acts in the opposite way as growth hormone can reverse some of the signs of aging, a research team that includes a Saint Louis University physician has shown. The finding may be counter-intuitive to some ...
Medicine & Health / Medical research
Dec 23, 2010 |
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Lightning sprites are out-of-this-world
Only a few decades ago, scientists discovered the existence of "sprites" 30 to 55 miles above the surface of the Earth. They're offshoots of electric discharges caused by lightning storms, and a valuable window ...
Space & Earth / Space Exploration
Nov 21, 2011 |
4.8 / 5 (13) |
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Martian Methane Reveals the Red Planet is not a Dead Planet
(PhysOrg.com) -- Mars today is a world of cold and lonely deserts, apparently without life of any kind, at least on the surface. Worse still, it looks like Mars has been cold and dry for billions of years, ...
Space & Earth / Space Exploration
Jan 15, 2009 |
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Students' perceptions of Earth's age influence acceptance of human evolution, says study
High school and college students who understand the geological age of the Earth (4.5 billion years) are much more likely to understand and accept human evolution, according to a University of Minnesota study published in ...
Mar 10, 2010 |
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Ocean's harmful low-oxygen zones growing, are sensitive to small changes in climate
(PhysOrg.com) -- Fluctuations in climate can drastically affect the habitability of marine ecosystems, according to a new study by UCLA scientists that examined the expansion and contraction of low-oxygen ...
Space & Earth / Earth Sciences
Jun 17, 2011 |
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