Harnessing sunlight on the cheap
May 07, 2008 |
4.5 / 5 (89) |
15
For a project that could be on the very cutting edge of renewable energy, this one is actually decidedly low tech--and that's the point.
Chemists measure chilli sauce hotness with nanotubes
Nanotechnology / Nanomaterials
May 07, 2008 |
4.4 / 5 (46) |
5
Oxford chemists have found a way of using carbon nanotubes to judge the heat of chilli sauces. The technology might soon be available commercially as a cheap, disposable sensor for use in the food industry.
Researchers target tumors with tiny 'nanoworms'
Nanotechnology / Nanomaterials
May 07, 2008 |
4.5 / 5 (38) |
3
Scientists at UC San Diego, UC Santa Barbara and MIT have developed nanometer-sized “nanoworms” that can cruise through the bloodstream without significant interference from the body’s immune defense system ...
A 'squeeze' in cuprates may explain superconducting temperatures
May 07, 2008 |
4.7 / 5 (34) |
3
New experiments at Cornell have verified a theory that variations in the distance between atoms in cuprate superconductors account for differences in the temperature at which the material begins to superconduct. ...
Power from Formic Acid
May 07, 2008 |
4.4 / 5 (34) |
3
One of the central challenges of our time is the supply of enough environmentally friendly and resource-efficient energy to our society. In this context, hydrogen technology has taken on increased importance.
Platypus genome explains animal's peculiar features; holds clues to evolution of mammals
Biology /
May 07, 2008 |
4.4 / 5 (29) |
3
The duck-billed platypus: part bird, part reptile, part mammal -- and the genome to prove it. An international consortium of scientists, led by Washington University School of Medicine in St. Louis, has decoded ...
Large mammal species live harder, die out faster
Biology /
May 07, 2008 |
4.4 / 5 (27) |
3
Throughout Earth’s history, species have come and gone, being replaced by new ones that are better able to cope with life’s challenges. But some species last longer than others, while others may die out sooner ...
Chile's Chaiten volcano one of scores of active volcanoes in region
Space & Earth / Earth Sciences
May 07, 2008 |
3.9 / 5 (26) |
1
The Chaiten volcano now erupting in southern Chile is one of 200 to 300 volcanoes in the "Andean Arc" region of Chile, Peru, Ecuador and Columbia considered active by volcanologists, some of which lie in much ...
GIOVE-B transmitting its first signals
Space & Earth / Space Exploration
May 07, 2008 |
4.5 / 5 (17) |
2
Following a successful launch on 27 April, GIOVE-B began transmitting navigation signals today. This is a truly historic step for satellite navigation since GIOVE-B is now, for the first time, transmitting ...
A Super Solar Flare
Space & Earth / Space Exploration
May 07, 2008 |
4.3 / 5 (17) |
4
At 11:18 AM on the cloudless morning of Thursday, September 1, 1859, 33-year-old Richard Carrington—widely acknowledged to be one of England's foremost solar astronomers—was in his well-appointed private observatory. ...
Amazon under threat from cleaner air
May 07, 2008 |
4.2 / 5 (17) |
2
The Amazon rainforest, so crucial to the Earth’s climate system, is coming under threat from cleaner air say prominent UK and Brazilian climate scientists in the leading scientific journal Nature.
Researchers study bacterium big enough to see -- the Shaquille O'Neal of bacteria
Biology /
May 07, 2008 |
4.5 / 5 (16) |
2
Well, perhaps not quite Shaquille O'Neal. But it is Shaq-teria. The secret to an unusual bacterium's massive size -- it's the size of a grain of salt, or a million times bigger than E. coli bacteria, and big ...
Iron 'snow' helps maintain Mercury's magnetic field, scientists say
May 07, 2008 |
3.5 / 5 (16) |
4
New scientific evidence suggests that deep inside the planet Mercury, iron “snow” forms and falls toward the center of the planet, much like snowflakes form in Earth’s atmosphere and fall to the ground.
Global climate models both agree and disagree with actual Antarctic data
Space & Earth / Earth Sciences
May 07, 2008 |
2.8 / 5 (20) |
16
Scientists who compared recorded Antarctic temperatures and snowfall accumulation to predictions by major computer models of global climate change offer both good and bad news.
Scientists find connection between mental fitness and multi-lingualism
Medicine & Health / Psychology & Psychiatry
May 07, 2008 |
4 / 5 (13) |
1
Children who speak a second or third language may have an unexpected advantage later in life, a new Tel Aviv University study has found. Knowing and speaking many languages may protect the brain against the effects of aging.
