20/05/2009

An advance in solving the mysterious machine-workers' disease

Scientists in Ohio are reporting a long-awaited advance toward making the workplace safer for more than one million machinists in the United States who may be exposed to disease-causing bacteria in contaminated metalworking ...

Craigslist strikes back, files suit

Craigslist announced Wednesday that it had filed suit against a state attorney general who has threatened criminal charges against the online classifieds site in a dispute over "erotic services" ads.

NebuAd closing doors after Internet privacy woes

(AP) -- NebuAd Inc., a company that sought to target ads to consumers based on their online behavior, is going out of business after facing scrutiny over whether its technology infringed on the privacy of Internet surfers.

Researchers find simple camera enhances preschool learning

(PhysOrg.com) -- Three Penn State Harrisburg faculty researchers have proven an educational program built around a simple disposable camera enhances learning for both children and teachers in preschool settings.

Snail venoms reflect reduced competition

A study of venomous snails on remote Pacific islands reveals genetic underpinnings of an ecological phenomenon that has fascinated scientists since Darwin.

DNA molecules can detect pathogens, deliver drugs

(PhysOrg.com) -- First, Cornell researchers created DNA "bar codes" -- strands of the genetic material that quickly identify the presence of different molecules by fluorescing. Now, they have created new DNA molecules that ...

Small evolutionary shifts make big impacts, study finds

(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive rods ...

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