Archive: 2/07/2008

Worms do calculus to find meals or avoid unpleasantness

Thanks to salt and hot chili peppers, researchers have found a calculus-computing center that tells a roundworm to go forward toward dinner or turn to broaden the search. It's a computational mechanism, they say, that is ...

dateJul 02, 2008 in
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Gene directs stem cells to build the heart

Researchers have shown that they can put mouse embryonic stem cells to work building the heart, potentially moving medical science a significant step closer to a new generation of heart disease treatments that use human stem ...

dateJul 02, 2008 in
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Simple insulation could combat heat, cold and noise

Around the world, an estimated one billion people--mostly in rural villages and the shanty towns surrounding developing-world cities--live in houses whose roofs are nothing more than thin sheets of corrugated metal. These ...

dateJul 02, 2008 in Other
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Printed optical electronics come into view

European researchers have taken a major step towards the goal of developing printable electronics that can be used for creating radio frequency identification tags and flexible watch displays.

dateJul 02, 2008 in
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Synthetic molecules emulate enzyme behavior for the first time

When chemists want to produce a lot of a substance -- such as a newly designed drug -- they often turn to catalysts, molecules that speed chemical reactions. Many jobs require highly specialized catalysts, and finding one ...

dateJul 02, 2008 in
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Ethanol byproduct produces green results

Commercial flower and plant growers know all too well that invasive, ubiquitous weeds cause trouble by lowering the value and deterring healthy growth of potted ornamental plants. To control weeds, many commercial nursery ...

dateJul 02, 2008 in Other
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