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Role of morphogens in tissue patterning in heart development

Morphogens are molecules that travel from cell to cell in order to pattern tissues in the embryo. These molecules are important not only for the embryo during development, but also for the adult during tissue repair. However, ...

Twitter to show whereabouts of tweeters

Twitter is adding location to its globally popular microblogging service in a move that will let people see where "tweets" are coming from.

New polymers show interaction with cells

A new development in biomedical research could open the door to a variety of new applications: Scientists at the University of Bayreuth have found that certain polymers, called polyanions, can penetrate cells in a unique ...

Select tech workers are in high demand

Thousands of people in Silicon Valley are unemployed and looking for work. But for tech workers with the right skills, work is looking for them.

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