Developing Brains: Alcohol Worse than Marijuana
Mar 26, 2009 |
4.8 / 5 (33) |
14
(PhysOrg.com) -- It appears that when it comes to teen brain development, parents should be more worried about alcohol abuse than marijuana abuse. Two recent studies have been published showing that alcohol ...
Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely
Mar 26, 2009 |
3.9 / 5 (40) |
52
(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. ...
Tesla unveils groundbreaking electric car
Mar 26, 2009 |
4.4 / 5 (35) |
25
US automaker Tesla Motors unveiled Thursday its state-of-the-art five-seat sedan, billed as the world's first mass-produced, highway-capable electric car.
Intruder alert: 'Smart Dew' will find you!
Mar 26, 2009 |
4.5 / 5 (19) |
16
A remarkable new invention from Tel Aviv University — a network of tiny sensors as small as dewdrops called "Smart Dew" — will foil even the most determined intruder. Scattered outdoors on rocks, fence posts ...
Dust plays larger than expected role in determining Atlantic temperature
Space & Earth / Earth Sciences
Mar 26, 2009 |
4.4 / 5 (17) |
13
(PhysOrg.com) -- The recent warming trend in the Atlantic Ocean is largely due to reductions in airborne dust and volcanic emissions during the past 30 years, according to a new study.
New nanogenerator may charge iPods and cell phones with a wave of the hand
Mar 26, 2009 |
4.4 / 5 (17) |
3
Imagine if all you had to do to charge your iPod or your BlackBerry was to wave your hand, or stretch your arm, or take a walk? You could say goodbye to batteries and never have to plug those devices into ...
Hormone-mimics in plastic water bottles -- just the tip of the iceberg?
Mar 26, 2009 |
4.9 / 5 (10) |
7
In an analysis1 of commercially available mineral waters, the researchers found evidence of estrogenic compounds leaching out of the plastic packaging into the water. What's more, these chemicals are potent in vivo and result ...
Why certain fishes went extinct 65 million years ago
Mar 26, 2009 |
4.5 / 5 (11) |
1
Large size and a fast bite spelled doom for bony fishes during the last mass extinction 65 million years ago, according to a new study to be published March 31, 2009, in the Proceedings of the National Ac ...
Billion people invited to switch off lights
Mar 26, 2009 |
3.1 / 5 (15) |
6
Around a billion people living in the world's major cities are being invited to turn off their lights at 8:30 p.m. local time on Saturday for "Earth Hour," described as the biggest mass campaign to demand ...
Simple finger device may help predict future heart attack
Mar 26, 2009 |
4.7 / 5 (9) |
0
Results of a Mayo Clinic study show that a simple, noninvasive finger sensor test is "highly predictive" of a major cardiac event, such as a heart attack or stroke, for people who are considered at low or moderate risk, according ...
'Fallout 3' crowned videogame of the year
Mar 26, 2009 |
3.5 / 5 (11) |
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Post-apocalyptic adventure "Fallout 3" has been crowned Game of the Year at a major gathering of videogame makers in San Francisco.
Mars Rover Update
Space & Earth / Space Exploration
Mar 26, 2009 |
4.3 / 5 (7) |
5
In January 2004, NASA landed two identical robotic rovers named Spirit and Opportunity on the surface of Mars. The twins were primed for a brief 3-month mission to tell us a story of water and possibly life ...
Drinking very hot tea can increase the risk of throat cancer
Mar 26, 2009 |
5 / 5 (6) |
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People are advised to wait a few minutes before drinking a cup of freshly-boiled tea today as a new study, published on bmj.com, finds that drinking very hot tea (70°C or more) can increase the risk of cancer of the oesophagus, ...
How much vitamin D do I need?
Mar 26, 2009 |
3.6 / 5 (8) |
1
Vitamin D -- the so-called sunshine vitamin -- is the wonder nutrient of the moment. While the vitamin is best known for helping build strong bones and absorb calcium, a vitamin D deficiency can raise the risk of everything ...
Ancestry hunters' bonanza as London records go online
Mar 26, 2009 |
4.5 / 5 (6) |
0
Some 77 million documents dating from the 16th to the 20th centuries and including the ancestors of David Beckham and Britney Spears are to go online, under a service launched Thursday.
