James Webb Space Telescope's 'spine' passes health tests
Jan 30, 2007 |
4.3 / 5 (4) |
0
The "spine" of the James Webb Space Telescope, called the backplane, is in great health for space, according to scientists and engineers. Recent tests show that the backplane, which supports the big mirrors ...
Central and peripheral signals set the circadian liver clock
Biology /
Jan 30, 2007 |
3.5 / 5 (4) |
0
Anyone who has experienced jet lag will understand the importance of a smooth-running circadian clock. Crossing time zones decouples our biological rhythms from the natural cycle of light and dark we’re used ...
New single-molecule imaging system ends pRNA debate over phi29 motor
Nanotechnology / Bio & Medicine
Jan 30, 2007 |
2.8 / 5 (5) |
0
Scientists are able to view active molecules within a biological motor of the nanometer scale with the help of a new imaging system far more sensitive and powerful than existing optical microscopes.
To trust or not to trust your friends
Biology /
Jan 30, 2007 |
4 / 5 (3) |
0
Sometimes it is better to follow the advice of others rather than your own mind even though you seem to have things under control. Not only humans but also fish follow this doctrine as shown by ecologists Jörgen Johnsson ...
Molecular motors and brakes work together in cells
Biology /
Jan 30, 2007 |
5 / 5 (2) |
0
Researchers at the University of Pennsylvania School of Medicine have discovered that microtubules -- components responsible for shape, movement, and replication within cells -- use proteins that act as molecular ...
Senators ask the FDA to halt lab closings
Jan 30, 2007 |
5 / 5 (2) |
0
A bipartisan group of 20 U.S. senators is asking the U.S. Food and Drug Administration to suspend plans to consolidate laboratories.
Three Back-to-Back Spacewalks Coming Up on Station
Space & Earth / Space Exploration
Jan 30, 2007 |
2 / 5 (3) |
0
The first of three spacewalks in nine days by International Space Station Commander Michael Lopez-Alegria and Flight Engineer Sunita Williams is scheduled to begin Wednesday at 10 a.m. EST.
Study points way to communicating nanotech
Nanotechnology / Bio & Medicine
Jan 30, 2007 |
3 / 5 (1) |
0
If you could paint a gallon of paint one nanometer thick, how much area could you cover? The surprising answer-about 930 acres, or slightly larger than New York's Central Park-certainly makes fun trivia fodder.
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