Inflatable Habitats for Polar and Space Colonists
Jan 29, 2007 |
4.1 / 5 (35) |
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Humanity has long since established a foothold in the Artic and Antarctic, but extensive colonization of these regions may soon become economically viable. If we can learn to build self-sufficient habitats ...
Does evolution select for faster evolvers?
Jan 29, 2007 |
4.4 / 5 (42) |
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It's a mystery why the speed and complexity of evolution appear to increase with time. For example, the fossil record indicates that single-celled life first appeared about 3.5 billion years ago, and it then took about 2.5 ...
Anthropologist confirms 'Hobbit' indeed a separate species
Biology /
Jan 29, 2007 |
4.7 / 5 (36) |
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After the skeletal remains of an 18,000-year-old, Hobbit-sized human were discovered on the Indonesian island of Flores in 2003, some scientists thought that the specimen must have been a pygmy or a microcephalic ...
Researchers achieve major breakthrough in laser diode development
Jan 29, 2007 |
4.5 / 5 (44) |
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A team of researchers at the University of California, Santa Barbara led by Shuji Nakamura, winner of the 2006 Millennium Technology Prize, has reported a major breakthrough in laser diode development.
Nanoengineered concrete could cut CO2 emissions
Nanotechnology / Nanomaterials
Jan 29, 2007 |
4.3 / 5 (34) |
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While government leaders argue about the practicality of reducing world emissions of carbon dioxide, scientists and engineers are seeking ways to make it happen.
When Flowing Grains Get Jam Packed
Jan 29, 2007 |
4.4 / 5 (22) |
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Using color-shifting cylinders as substitutes for sand grains or coal lumps, a Duke University-led team of physicists has pinpointed a critical density level where granular materials suddenly cease flowing ...
Earth-shattering proof of continents on the move
Space & Earth / Earth Sciences
Jan 29, 2007 |
4.5 / 5 (25) |
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Africa is being torn apart. And as Ethiopia's rift valley grows slowly wider, an international team of scientists is taking a unique opportunity to plot the progress of continents on the move.
New Sensor Detects Direction of Sound Under Water
Jan 29, 2007 |
4.2 / 5 (18) |
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A new sensor that measures the motion created by sound waves under water could allow the U.S. Navy to develop compact arrays to detect the presence of enemy submarines. These new arrays would detect quiet underwater ...
How does one sex grow larger than the other?
Biology /
Jan 29, 2007 |
3.7 / 5 (11) |
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Why are males larger than females in some animal species (such as most mammals), females larger than males in others (such as most insects), and why are the sexes alike in yet other species (such as several ...
New study is first to link romantic relationships to genes
Medicine & Health / Psychology & Psychiatry
Jan 29, 2007 |
3.9 / 5 (10) |
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New research suggests that choosing a mate may be partially determined by your genes. A study published in Psychological Science has found a link between a set of genes involved with immune function and partner selection in hum ...
Hatching a New Model for Biomineralization
Jan 29, 2007 |
4.1 / 5 (11) |
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The idea started with an eggshell and ended with a new understanding of how minerals form to build exceptionally strong structures in the bodies of humans and other organisms. Biomineralization, the process by which organisms ...
Polymer Nanoparticles Create Potential Anticancer Vaccine
Nanotechnology / Bio & Medicine
Jan 29, 2007 |
4.3 / 5 (4) |
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Using a biodegradable nanoparticle as a means of delivering tumor cell debris and proteins to the immune system, investigators at Yale University have developed a promising new method for creating therapeutic anticancer vaccines. ...
Buckyballs Ferry Drugs into Cancer Cells Safely
Nanotechnology / Bio & Medicine
Jan 29, 2007 |
4.2 / 5 (15) |
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Scientists at Rice University and Baylor College of Medicine have developed a new type of buckyball nanoparticle that acts as a passkey, allowing peptide-based drugs to enter cancer cells.
Cholera pathogen reveals how bacteria generate energy to live
Biology /
Jan 29, 2007 |
4.2 / 5 (5) |
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Researchers at Rensselaer Polytechnic Institute have discovered new details about how bacteria generate energy to live. In two recently published papers, the scientists add key specifics to the molecular mechanism behind ...
Engineers Investigate Issue on One of Hubble's Science Instruments
Space & Earth / Space Exploration
Jan 29, 2007 |
5 / 5 (3) |
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NASA engineers are examining a problem related to the Advanced Camera for Surveys (ACS) aboard the agency's Hubble Space Telescope.
