16/11/2010

Israeli high tech adjusts to Asian challenge

(AP) -- It's well known that the emergence of India and China is casting a shadow on the developed economies of Europe and North America. Less famous is the challenge facing Israel: With the Jewish state having quietly prospered ...

Imaging tool may aid nanoelectronics by screening tiny tubes

Researchers have demonstrated a new imaging tool for rapidly screening structures called single-wall carbon nanotubes, possibly hastening their use in creating a new class of computers and electronics that are faster and ...

Using plants against soils contaminated with arsenic

Two essential genes that control the accumulation and detoxification of arsenic in plant cells have been identified. This discovery is the fruit of an international collaboration involving laboratories in Switzerland, South ...

Sticky snack for elephant-shrews

Long-nosed Cape rock elephant-shrews are fond of sticky treats, according to Dr. Petra Wester from the University of Stellenbosch in South Africa. Her investigations show for the first time that the elephant-shrew, Elephantulus ...

Engineers test effects of fire on steel structures

Researchers at Purdue University are studying the effects of fire on steel structures, such as buildings and bridges, using a one-of-a-kind heating system and a specialized laboratory for testing large beams and other components.

Appearance not always enough to identify species

Linnaean taxonomy is still a cornerstone of biology, but modern DNA techniques have erased many of the established boundaries between species. This has made identifying species difficult in practice, which can cause problems, ...

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