When Exercise Stops, How Long do Benefits Last?
Medicine & Health / Psychology & Psychiatry
Jul 31, 2007 |
4.7 / 5 (80) |
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Scientists examining the relationship between the intensity and length of a workout and the duration of its benefits have made a surprising discovery: More isn't necessarily better, and none may be worse than we ever imagined.
Why do people have sex? Researchers explore 237 reasons
Medicine & Health / Psychology & Psychiatry
Jul 31, 2007 |
4.2 / 5 (34) |
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Many scientists assume people have sex for simple and straightforward reasons such as to experience sexual pleasure or to reproduce, but new research at The University of Texas at Austin reveals hundreds of varied and complex ...
The new face of identity protection: You
Jul 31, 2007 |
4.3 / 5 (33) |
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Trying to remember dozens of personal identification numbers (PIN), passwords and credit card numbers may not be necessary for much longer, thanks to a University of Houston professor and his team.
Particle emissions from laser printers might pose health concern
Jul 31, 2007 |
3.8 / 5 (31) |
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Certain laser printers used in offices and homes release tiny particles of toner-like material into the air that people can inhale deep into lungs where they may pose a health hazard, scientists are reporting. Their study ...
Circumstellar space: Where chemistry happens for the very first time
Space & Earth / Space Exploration
Jul 31, 2007 |
4.5 / 5 (26) |
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Picture a cool place, teeming with a multitude of hot bodies twirling about in rapidly changing formations of singles and couples, partners and groups, constantly dissolving and reforming. If you were thinking ...
Molecule with a Split Personality
Jul 31, 2007 |
4.3 / 5 (20) |
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If you take a strip of paper, twist one end by 180° and then stick the two ends together to form a ring, the result is called a Möbius strip, a geometric shape with only one surface and one edge.
For the first time, patterns of excitation waves found in brain's visual processing center
Jul 31, 2007 |
4.5 / 5 (15) |
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Neuroscientists have long believed that vision is processed in the brain along circuits made up of neurons, similar to the way telephone signals are transferred through separate wires from one station to another. But scientists ...
NASA Postpones Phoenix Launch
Space & Earth / Space Exploration
Jul 31, 2007 |
4.6 / 5 (14) |
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Friday's scheduled launch of NASA's Phoenix Mars Lander aboard a United Launch Alliance Delta II rocket has been postponed 24 hours. The two available launch times on Saturday, Aug. 4, are 5:26:34 a.m. and ...
Reading ability protects brain from lead exposure
Jul 31, 2007 |
4.5 / 5 (12) |
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Lead smelter workers who are better readers have more protection against the effect of lead exposure on the brain than those who do not read as well, according to a study on the impact of cognitive reserve published in the ...
Reliable, fast simulations of complex events Virginia Tech mathematician's goal
Jul 31, 2007 |
4.8 / 5 (10) |
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Timely, accurate prediction or control of complex phenomena – such as predicating the path of a hurricane or controlling a jet -- is the goal of Serkan Gugercin’s National Science Foundation Faculty Early Career Development ...
Fish eyes could hold clue to repairing damaged retinas in humans
Jul 31, 2007 |
4.3 / 5 (11) |
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A special type of cell found in the eye has been found to be very important in regenerating the retina in zebrafish and restoring vision even after extensive damage. Now, a UK team of scientists believe they may be able to ...
Under magnetic force, nanoparticles may deliver gene therapy
Nanotechnology / Bio & Medicine
Jul 31, 2007 |
4.7 / 5 (9) |
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After binding DNA segments to tiny iron-containing spheres called nanoparticles, researchers have used magnetic fields to direct the nanoparticles into arterial muscle cells, where the DNA could have a therapeutic ...
Researchers find older folks don't get the joke
Medicine & Health / Psychology & Psychiatry
Jul 31, 2007 |
4.3 / 5 (9) |
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It’s no laughing matter that older adults have a tougher time understanding basic jokes than do younger adults.
Understanding Math Day By Day
Jul 31, 2007 |
4.2 / 5 (9) |
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Parents can help their children understand mathematics by talking about the numbers and figuring used in daily life, preparing them for learning skills and concepts in the classroom, says a University of Arkansas math educator.
Expert challenges earthquake theory behind Indonesian mud volcano
Space & Earth / Earth Sciences
Jul 31, 2007 |
3.9 / 5 (9) |
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A leading expert today repeated his assertion that an Indonesian mud volcano was almost certainly manmade despite a new study claiming the eruption might have been triggered by an earthquake.
