News tagged with lead
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Search results for lead
Climate change puts ecosystems on the run, researchers say
Dec 27, 2009 |
1.9 / 5 (13) |
22
(PhysOrg.com) -- Global warming is causing habitats to move across the landscape. Can the creatures living there keep up? If they can't, some species may die out, researchers say.
Google sharpens aim on mobile marketing with AdMob
Dec 27, 2009 |
not rated yet |
0
(AP) -- Four years ago, Omar Hamoui was just another ineffectual entrepreneur trying to spruce up his resume in graduate school. Now, he's poised to become Google Inc.'s newest weapon as the company aims to extend its dominance ...
Voyager makes an interstellar discovery
Space & Earth / Space Exploration
Dec 26, 2009 |
4.7 / 5 (53) |
18
The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.
Splitting fluorescent protein helps image clusters in live cells
Dec 26, 2009 |
4 / 5 (2) |
0
Half a protein is better than none, and in this case, it's way better than a whole one. A Rice University lab has discovered that dividing a particular fluorescent protein and using it as a tag is handy for analyzing the ...
China defends role at Copenhagen
Dec 25, 2009 |
1.8 / 5 (5) |
5
China has defended its role at this month's climate change talks in Copenhagen, saying Premier Wen Jiabao played a key part in sealing an accord, after critics blamed Beijing for blocking negotiations.
Critical protein helps mend damaged DNA
Dec 24, 2009 |
4.3 / 5 (4) |
0
In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...
Scientists identify protein that keeps stem cells poised for action
Dec 24, 2009 |
not rated yet |
0
Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...
Molecular anchor links the 2 inheritable diseases Fanconi anemia and Bloom's syndrome
Dec 24, 2009 |
not rated yet |
0
A new study establishes a molecular link that bridges two rare inherited disorders and explains why these diseases result in genetic instability. The research, published by Cell Press in the December 24th issue of the journal ...
Ladder-walking locusts show big brains aren't always best
Dec 24, 2009 |
5 / 5 (7) |
1
Scientists have shown for the first time that insects, like mammals, use vision rather than touch to find footholds. They made the discovery thanks to high-speed video cameras - technology the BBC uses to ...
US Senate votes on landmark health bill
Dec 24, 2009 |
2.6 / 5 (5) |
5
Senators gave Barack Obama a huge political boost on Thursday by passing a sweeping remake of the US health care system that aims to extend coverage to 31 million uninsured Americans.
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