Cosmologist Paul Davies explores notion of 'alien' life on Earth
Space & Earth / Space Exploration
Feb 15, 2009 |
4 / 5 (14) |
2
Astrobiologists have often pondered "life as we do not know it" in the context of extraterrestrial life, says Paul Davies, an internationally acclaimed theoretical physicist and cosmologist at Arizona State University. "But," ...
Researchers shed new light on connection between brain and loneliness
Medicine & Health / Psychology & Psychiatry
Feb 15, 2009 |
4.5 / 5 (10) |
7
Social isolation affects how people behave as well as how their brains operate, a study at the University of Chicago shows.
Chemists offer new hydrogen purification method
Feb 15, 2009 |
4.3 / 5 (9) |
1
(PhysOrg.com) -- President Barack Obama's pursuit of energy independence promises to accelerate research and development for alternative energy sources -- solar, wind and geothermal power, biofuels, hydrogen ...
Chemists create two-armed nanorobotic device to maneuver world's tiniest particles
Feb 15, 2009 |
4.5 / 5 (8) |
0
Chemists at New York University and China's Nanjing University have developed a two-armed nanorobotic device that can manipulate molecules within a device built from DNA. The device is described in the latest issue of the ...
Debate unfolds over origin of grouped stones at lake's bottom
Other Sciences / Archaeology & Fossils
Feb 15, 2009 |
4.1 / 5 (8) |
2
Forty feet below the surface of Lake Michigan in Grand Traverse Bay, a mysterious pattern of stones can be seen rising from an otherwise sandy half-mile of lake floor.
Ultracold gas mimics ultrahot plasma
Feb 15, 2009 |
4.4 / 5 (7) |
13
Several years after Duke University researchers announced spectacular behavior of a low density ultracold gas cloud, researchers at Brookhaven National Laboratory have observed strikingly similar properties in a very hot ...
Scientists prove graphene's edge structure affects electronic properties
Feb 15, 2009 |
4.3 / 5 (6) |
3
(PhysOrg.com) -- Graphene, a single-atom-thick sheet of carbon, holds remarkable promise for future nanoelectronics applications. Whether graphene actually cuts it in industry, however, depends upon how graphene ...
When fish farms are built along the coast, where does the waste go?
Feb 15, 2009 |
3.8 / 5 (6) |
2
If you are a fish eater, it's likely that the salmon you had for dinner was not caught in the wild, but was instead grown in a mesh cage submerged in the open water of oceans or bays. Fish farming, a relatively inexpensive ...
Locations of strain, slip identified in major earthquake fault
Space & Earth / Earth Sciences
Feb 15, 2009 |
4.8 / 5 (4) |
0
Deep-sea drilling into one of the most active earthquake zones on the planet is providing the first direct look at the geophysical fault properties underlying some of the world's largest earthquakes and tsunamis.
Explorers find hundreds of identical species thrive in both Arctic, Antarctic
Biology /
Feb 15, 2009 |
4.8 / 5 (4) |
0
Earth's unique, forbidding ice oceans of the Arctic and Antarctic have revealed a trove of secrets to Census of Marine Life explorers, who were especially surprised to find at least 235 species live in both ...
X-rays used to reveal secrets of famous fossil
Feb 15, 2009 |
4.5 / 5 (4) |
0
(PhysOrg.com) -- About 150 million years ago, an evolutionarily hybrid creature, a dinosaur on its way to becoming a bird, died in what is now Germany, and become fossilized in limestone.
Scholars contend Darwin based his theories on humans, not animals
Biology /
Feb 15, 2009 |
5 / 5 (3) |
0
Charles Darwin is widely thought to have developed his natural selection theory of evolution after noting differences among finches in the Galapagos Islands.
Deaf children use hands to invent own way of communicating
Feb 15, 2009 |
5 / 5 (2) |
0
Deaf children are able to develop a language-like gesture system by making up hand signs and using homemade systems to increase their communication as they grow, just as children with conventional spoken language, research ...
Synthetic biology yields clues to evolution and the origin of life
Biology /
Feb 15, 2009 |
3.3 / 5 (3) |
1
Researchers in the field of synthetic biology are still a long way from being able to assemble living cells from scratch in the laboratory. But according to biochemist David Deamer of the University of California, Santa Cruz, ...
Genetic 'hotspot' for breast cancer risk
Feb 15, 2009 |
4.5 / 5 (2) |
1
Vanderbilt-Ingram Cancer Center investigators have identified a new genetic hotspot for breast cancer.
