Brightsurf Science News & Current Events

September 05, 2010
'Slow light' on a chip holds promise for optical communications
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics.

In a changing climate, erratic rainfall poses growing threat to rural poor, new report says
Against a backdrop of extreme weather wreaking havoc around the world, a new report warns that increasingly erratic rainfall related to climate change will pose a major threat to food security and economic growth, especially in Africa and Asia, requiring increased investment in diverse forms of water storage as an effective remedy.

Hebrew University wins unprecedented 3 awards from American Political Science Association
Two faculty members and one graduate student from the Hebrew University of Jerusalem are recipients this year of awards from the American Political Science Association -- the first time that three people from the Hebrew University have been so honored by the APSA in a single year.

Backstabbing bacteria: A new treatment for infection?
Selfish bacterial cells that act in their own interests and do not cooperate with their infection-causing colleagues can actually reduce the severity of infection.

Fears of a decline in bee pollination confirmed
Widespread reports of a decline in the population of bees and other flower-visiting animals have aroused fear and speculation that pollination is also likely on the decline.

Talented bacteria make food poisoning unpredictable
While we are often exposed to bacteria in our food which could cause food poisoning, we don't always become ill -- why should this be so?

Biologists find way to reduce stem cell loss during cancer treatment
Biologists at the University of California, San Diego, have discovered that a gene critical for programmed cell death is also important in the loss of adult stem cells, a finding that could help to improve the health and well-being of patients undergoing cancer treatment.

DNA fingerprinting pioneer discovers role of key genetic catalyst for human diversity
One of the key drivers of human evolution and diversity, accounting for changes that occur between different generations of people, is explained by new research published Sept.

MIT researchers create new self-assembling photovoltaic technology that repairs itself
MIT scientists have created a novel set of self-assembling molecules that can turn sunlight into electricity; the molecules can be repeatedly broken down and then reassembled quickly, just by adding or removing an additional solution.

'Jailbreak' bacteria can trigger heart disease
Plaque-causing bacteria can jailbreak from the mouth into the bloodstream and increase your risk of heart attack says a scientist at the Society for General Microbiology's autumn meeting in Nottingham.

Psychological as well as physical violence against pregnant women by their partners leads to postnatal depression
Psychological violence during pregnancy by an intimate partner is strongly associated with postnatal depression, independently of physical or sexual violence.
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