Scientists de-polymerize polymers
Jun 26, 2007 |
4.6 / 5 (8) |
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Japanese scientists have created a process that breaks down certain plastics, allowing the chemicals to be reused to make new higher-quality plastic.
Substance in tree bark could lead to new lung-cancer treatment
Jun 26, 2007 |
4.5 / 5 (6) |
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Researchers at UT Southwestern Medical Center have determined how a substance derived from the bark of the South American lapacho tree kills certain kinds of cancer cells, findings that also suggest a novel treatment for ...
Scientists discover a new line of communication between nervous system cells
Jun 26, 2007 |
4.5 / 5 (6) |
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In a host of neurological diseases, including multiple sclerosis (MS) and several neuropathies, the protective covering surrounding the nerves – an insulating material called myelin – is damaged. Scientists at the Weizmann ...
Sweden's early baby boom provides lessons for US
Jun 26, 2007 |
4.5 / 5 (6) |
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Sweden, like much of Scandinavia, is known for its high quality care for older adults. Most importantly, the system helps to keep older adults independent. With the growing demand brought on by aging baby boomers however, ...
A small leak will sink a great ship
Biology /
Jun 26, 2007 |
3.7 / 5 (7) |
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During flowering four different types of floral organs need to be formed: sepals, which protect the inner organs; the frequently ornamental petals; stamens, which produce pollen and the carpels. This process ...
Gut check: Tracking the ecosystem within us
Jun 26, 2007 |
4.2 / 5 (5) |
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For more than 100 years, scientists have known that humans carry a rich ecosystem within their intestines. An astonishing number and variety of microbes, including as many as 400 species of bacteria, help humans digest food, ...
Adding folic acid to bread could help in the fight against depression
Jun 26, 2007 |
4.2 / 5 (5) |
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A unique study by researchers at the University of York and Hull York Medical School has confirmed a link between depression and low levels of folate, a vitamin which comes from vegetables.
Report: U.S. broadband speed outdated
Jun 26, 2007 |
5 / 5 (4) |
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So-called high-speed Internet broadband connection speeds are "pathetic" compared with other industrialized nations, a communications union report claimed.
Too little scope for development in today's aircraft technology
Jun 26, 2007 |
3.8 / 5 (5) |
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New technology can do much to improve certain aspects of aviation in terms of sustainable development over the next fifty years, but this will be nowhere near enough to compensate for the expected growth in air travel.
Sex differences in brains reflect disease risks
Jun 26, 2007 |
3.8 / 5 (5) |
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Women’s brains are different from men’s. That’s not news. What is news is that the differences are smaller than most people believe. They are not big enough to say that one sex is smarter or better at math than the other.
Greenhouse gas burial
Space & Earth / Earth Sciences
Jun 26, 2007 |
4.5 / 5 (4) |
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Deep coal seams that are not commercially viable for coal production could be used for permanent underground storage of carbon dioxide (CO2) generated by human activities, thus avoiding atmospheric release, according to two stu ...
Which came first: Primates' ability to see colorful food or see colorful sex?
Biology /
Jun 26, 2007 |
4.3 / 5 (4) |
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The adaptive significance of the unique ability in many primates to distinguish red hues from green ones (i.e., trichromatic color vision) has always enticed debate among evolutionary biologists. The conventional theory is ...
MIT tool determines landslide risk in tropics
Space & Earth / Earth Sciences
Jun 26, 2007 |
5 / 5 (3) |
0
Engineers at MIT have devised a simple yet effective system for determining an area's landslide risk, a tool that could help planners improve building codes, determine zoning and strengthen mitigation measures in mountainous ...
New genetic marker characterizes aggressiveness of cancer cells
Jun 26, 2007 |
4.7 / 5 (3) |
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Levels of a small non-coding RNA molecule called let-7 appear to define different stages of cancer better than some of the "classical" markers for tumor progression, researchers from the University of Chicago report in the ...
Why do power couples migrate to metropolitan areas? Actually, they don't
Jun 26, 2007 |
3.5 / 5 (4) |
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More than half of all “power couples” – couples in which both spouses are college graduates – live in large metropolitan areas (MSAs) with more than two million residents. What causes the concentration of well-educated couples ...
