27/09/2010

Diving deeper into the gene pool

About ten years ago, the discovery of microRNAs — tiny cellular molecules that regulate our genetic code — unlocked a world of scientific possibilities, including a deeper understanding of human disease. One new analytical ...

Gigantic mirror for X-radiation in outer space

It is to become the largest X-ray telescope ever: The International X-Ray Observatory (IXO), which has been planned in a cooperation between NASA, ESA and Japan's Aerospace Exploration Agency JAXA, will be launched into space ...

Homeless youths most often victims of crime: study

Homeless young people are victims of crime at rates that society would consider unacceptable for any other group, according to a new report by researchers at York University and the University of Guelph.

Red light regulates nectar secretion

Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. Scientists ...

Fundamental algorithm gets first improvement in 10 years

The maximum-flow problem, or max flow, is one of the most basic problems in computer science: First solved during preparations for the Berlin airlift, it’s a component of many logistical problems and a staple of introductory ...

Black-eyed pea holds tasty promise for Africa

The black-eyed pea, one of the world's oldest cultivated vegetables, is also one of the most promising as a nutritious food product, according to researchers who gathered in Senegal on Monday.

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