Uranium 'pearls' before slime
Biology /
Aug 08, 2006 |
4.9 / 5 (48) |
0
Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do ...
In new hybrid chip, molecules are memories
Nanotechnology / Nanomaterials
Aug 08, 2006 |
4.1 / 5 (46) |
0
As scientists strive to satisfy the growing demand of the digital era for faster, smaller, and cheaper electronics, one of the most promising technologies is hybrids. Hybrid ICs (integrated circuits) consist ...
Research Paper Illuminates How Light Pushes Atoms
Aug 08, 2006 |
4.9 / 5 (36) |
0
A research paper to be published in the 18 August edition of the journal Physical Review Letters reveals a new effect in the fundamental way that laser light interacts with atoms.
Stretching DNA Yields Surprise
Nanotechnology / Bio & Medicine
Aug 08, 2006 |
4.2 / 5 (35) |
0
Most of us are familiar with the winding staircase image of DNA, the repository of a biological cell's genetic information. But few of us realize just how tightly that famous double helix is wound.
What's nature worth? New computer models tell all
Aug 08, 2006 |
4.3 / 5 (26) |
0
Breath in. The air is free. But we'd all agree it's not worthless. So, what's the price tag on benefits provided by nature? In 1997, the University of Vermont's Robert Costanza and his co-authors put the answer at $33 trillion ...
Chandra independently determines Hubble constant
Aug 08, 2006 |
3.9 / 5 (27) |
0
A critically important number that specifies the expansion rate of the Universe, the so-called Hubble constant, has been independently determined using NASA's Chandra X-ray Observatory. This new value matches ...
Deep-sea sediments could safely store man-made carbon dioxide
Space & Earth / Earth Sciences
Aug 08, 2006 |
4.8 / 5 (17) |
0
Deep-sea sediments could provide a virtually unlimited and permanent reservoir for carbon dioxide, the gas that has been a primary driver of global climate change in recent decades, according to a team of scientists that ...
Hubble Identifies Stellar Companion to Distant Planet
Aug 08, 2006 |
4.4 / 5 (16) |
0
NASA's Hubble Space Telescope has for the first time identified the parent star of a distant planet discovered through gravitational microlensing.
Purdue research helps advance new rocket technology
Aug 08, 2006 |
4.3 / 5 (14) |
0
Purdue University engineers are conducting research to help the United States develop a type of advanced rocket technology that uses kerosene and would not require the foam insulation now used on the space shuttle's external ...
Driverless transport in big cities
Aug 08, 2006 |
4.5 / 5 (13) |
0
While traffic problems in major cities have been familiar for a long time, the measures needed to deal with them have still to be put into effect. However, in its 6th Framework Programme, the EU is beating ...
In genetics, memory may span generations
Biology /
Aug 08, 2006 |
4.5 / 5 (11) |
0
Swiss scientists say they've determined plants pass memories of stressful events from parent to progeny to help them adapt to difficult conditions.
Rewiring the mammalian brain -- neurons make fickle friends
Aug 08, 2006 |
3.8 / 5 (12) |
0
A new discovery from the Brain Mind Institute of the EPFL (Ecole Polytechnique Federale de Lausanne) shows that the brain rewires itself following an experience. The research further shows that this process ...
July heat wave almost breaks record
Aug 08, 2006 |
2.6 / 5 (18) |
0
July was the second hottest month, averaging 77.2 degrees in the 48 contiguous states of United States, just below the record of 77.5 set in 1936.
Researchers find controls to gold nanocatalysis
Aug 08, 2006 |
4.1 / 5 (10) |
0
Researchers at the Georgia Institute of Technology have made a discovery that could allow scientists to exercise more control over the catalytic activity of gold nanoclusters.
University of Alberta program wins computer poker championship
Aug 08, 2006 |
2 / 5 (20) |
0
The World Series of Poker wraps up later this week in Las Vegas, but a team of researchers from the University of Alberta has already won the de facto world poker championship for computers at the American Association of ...
