What's My Age? Mystery Star Cluster Has 3 Different Birthdays
Jul 10, 2008 |
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Imagine having three clocks in your house, each chiming at a different time. Astronomers have found the equivalent of three out-of-sync "clocks" in the ancient open star cluster NGC 6791. The dilemma may fundamentally ...
Geologists Discover Magma and Carbon Dioxide Combine to Make 'Soda-Pop' Eruption
Space & Earth / Earth Sciences
Jul 10, 2008 |
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This discovery overturns a longtime belief by geologists, who thought that carbon dioxide was incapable of dissolving in magma, said Calvin Barnes, professor of geosciences and lead investigator.
RNA emerges from DNA's shadow
Biology /
Jul 10, 2008 |
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RNA, the transporter of genetic information within the cell, has emerged from the shadow of DNA to become one of the hottest research areas of molecular biology, with implications for many diseases as well as understanding ...
Researchers discover mechanism that explains how cancer enzyme winds up on ends of chromosomes
Jul 10, 2008 |
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Human cancer cells divide and conquer. Unless physicians can control that division with surgery, chemotherapy or radiation, the wildly dividing cells will eventually destroy a person's life.
Location, location, location
Jul 10, 2008 |
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Neuroscientists at Georgetown University Medical Center have solved a mystery that lies at the heart of human learning, and they say the solution may help explain some forms of mental retardation as well as provide clues ...
Multitasking nanotechnology
Nanotechnology / Nanomaterials
Jul 10, 2008 |
4.8 / 5 (8) |
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Confocal microscope image of a self-assembled monolayer of a polychlorotriphenyl methyl radical patterned on a quartz surface. This multifunctional molecule behaves as an electroactive switch with optical and magnetic response.
Revolutionary chefs? Not likely, shows physics research
Jul 10, 2008 |
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However much the likes of Jamie Oliver or Gordon Ramsay might want to shake up our diets, culinary evolution dictates that our cultural cuisines remain little changed as generations move on, shows new research, published ...
Researchers design model for automated, wearable artificial kidney
Jul 10, 2008 |
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Two researchers from UCLA and the Veterans Affairs Greater Los Angeles Healthcare System have developed a design for an automated, wearable artificial kidney, or AWAK, that avoids the complications patients often suffer with ...
Forest birds evolved early, DNA shows
Biology /
Jul 10, 2008 |
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(PhysOrg.com) -- Evolution seems to have happened in fits and starts -- at least that's what the fossil record shows. From trilobites to pterodactyls, ammonites to Archaeopteryx, scientists find the same pattern: ...
A Telescope Made of Moondust
Space & Earth / Space Exploration
Jul 10, 2008 |
4.3 / 5 (8) |
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A gigantic telescope on the Moon has been a dream of astronomers since the dawn of the space age. A lunar telescope the same size as Hubble (2.4 meters across) would be a major astronomical research tool. ...
A third of reef-building corals face extinction
Jul 10, 2008 |
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A third of reef-building corals around the world are threatened with extinction, according to the first-ever comprehensive global assessment to determine their conservation status. The study findings were ...
Seeking the roots of collective cooperation
Jul 10, 2008 |
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No one enjoys paying taxes. Even so, we need taxes if we want our streets clean, a proper public health care system, an educated population or the maintenance of Earth’s climate within habitable boundaries. This is what scientists ...
Genes that control embryonic stem cell fate identified
Biology /
Jul 10, 2008 |
5 / 5 (6) |
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Scientists have identified about two dozen genes that control embryonic stem cell fate. The genes may either prod or restrain stem cells from drifting into a kind of limbo, they suspect. The limbo lies between the embryonic ...
Scientists generate the most precise map of genetic recombination ever
Biology /
Jul 10, 2008 |
4.8 / 5 (6) |
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Genetic recombination, the process by which sexually reproducing organisms shuffle their genetic material when producing germ cells, leads to offspring with a new genetic make-up and influences the course of evolution.
Projected California warming promises cycle of more heat waves, energy use for next century
Jul 10, 2008 |
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As the 21st century progresses, major cities in heavily air-conditioned California can expect more frequent extreme-heat events because of climate change.
