Scientists warn on climate tipping points
Mar 17, 2009 |
4.4 / 5 (147) |
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(PhysOrg.com) -- A survey of top climate scientists has revealed there is a real chance of key climate tipping points being passed with serious consequences for the planet.
How Much Energy Goes Into Making a Bottle of Water?
Mar 17, 2009 |
4 / 5 (43) |
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(PhysOrg.com) -- Most people who buy bottled water have access to clean drinking water virtually for free (in the US, tap water costs less than a penny per gallon, on average). Nevertheless, the consumption ...
Memristor chip could lead to faster, cheaper computers
Mar 17, 2009 |
4.7 / 5 (22) |
4
(PhysOrg.com) -- The memristor is a computer component that offers both memory and logic functions in one simple package. It has the potential to transform the semiconductor industry, enabling smaller, faster, cheaper chips ...
Where does consciousness come from?
Medicine & Health / Neuroscience
Mar 17, 2009 |
4.6 / 5 (22) |
15
Consciousness arises as an emergent property of the human mind. Yet basic questions about the precise timing, location and dynamics of the neural event(s) allowing conscious access to information are not clearly and unequivocally ...
Liquid saltwater is likely present on Mars, new analysis shows
Space & Earth / Space Exploration
Mar 17, 2009 |
4.7 / 5 (18) |
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(PhysOrg.com) -- Salty, liquid water has been detected on a leg of the Mars Phoenix Lander and therefore could be present at other locations on the planet, according to analysis by a group of mission scientists ...
Study Yields Surprising New Insight into High-Temp Superconductors
Mar 17, 2009 |
4.8 / 5 (16) |
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(PhysOrg.com) -- Recently, an international group of researchers discovered that the underlying mechanism producing high-temperature superconductivity in a widely studied class of copper-oxygen-based superconductors may be ...
Scientists Find Clues to a Secret of Life
Mar 17, 2009 |
4.9 / 5 (13) |
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(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.
Brain abnormality found in boys with attention deficit hyperactivity disorder
Medicine & Health / Psychology & Psychiatry
Mar 17, 2009 |
4.1 / 5 (11) |
9
Researchers trying to uncover the mechanisms that cause attention deficit hyperactivity disorder and conduct disorder have found an abnormality in the brains of adolescent boys suffering from the conditions, but not where ...
Cretaceous octopus with ink and suckers -- the world's least likely fossils?
Other Sciences / Archaeology & Fossils
Mar 17, 2009 |
4.8 / 5 (8) |
0
New finds of 95 million year old fossils reveal much earlier origins of modern octopuses. These are among the rarest and unlikeliest of fossils. The chances of an octopus corpse surviving long enough to be fossilized are ...
Near miss, but no threat: Asteroid in close pass was smaller than thought, astronomer shows
Space & Earth / Space Exploration
Mar 17, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- On March 2, an asteroid whizzed past the Earth at a distance of just 41,000 miles -- a near miss by cosmic standards (most communications satellites orbit at a distance of about 22,300 miles from Earth). ...
Study gives more proof that intelligence is largely inherited
Medicine & Health / Neuroscience
Mar 17, 2009 |
4 / 5 (7) |
0
They say a picture tells a thousand stories, but can it also tell how smart you are? Actually, say UCLA researchers, it can.
Slimmer Nanorods Good Fit for Next-Gen 3-D Computer Chips
Mar 17, 2009 |
4.7 / 5 (6) |
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Researchers at Rensselaer Polytechnic Institute have developed a new technique for growing slimmer copper nanorods, a key step for advancing integrated 3-D chip technology.
Sequencing method to lower human DNA mapping costs
Mar 17, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- An innovation by Princeton researchers may lower the cost of mapping human DNA to $100 and help usher in the era of personalized medicine.
Study on free-space optical communication shows experimental evidence of a unique atmospheric effect
Mar 17, 2009 |
4 / 5 (6) |
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Three members of the faculty at Stevens Institute of Technology recently collaborated on a paper focusing on free-space optical communication, which appears in the latest issue of Optics Express.
Medication does not appear to reduce progression of atherosclerosis
Medicine & Health / Medications
Mar 17, 2009 |
4.8 / 5 (4) |
0
Compared to placebo, the drug pactimibe did not effect certain measures of atherosclerosis for patients with familial hypercholesterolemia (high cholesterol levels), but these patients did have an increased incidence of cardiovascular ...
