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New Methods Could Speed Up Repair Of Injured Nerves

Scientists say they've developed a technique that reconnects the severed ends of a nerve, allowing it to begin carrying messages again very quickly — at least in rats. Usually, severed nerves must regrow from the point of injury — a process that can take months, if it ever happens.
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Reaching For The Limits of Tiny Transistors

Computer chip makers have long struggled to build ever-smaller transistors to allow faster, more powerful computers. Writing in the journal Nature Nanotechnology, a team of scientists describes what may be the ultimate limit of that struggle — a transistor made of a single atom. Michelle Simmons, a physicist at the University of New South Wales in Australia and leader of the project, discusses the work.
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Mild Winter May Be Keeping Flu Bugs At Bay

Flu season usually peaks around February. But this year it's missing in action, with the CDC reporting the slowest start to the flu season on record. Peter Palese, a microbiologist at Mount Sinai Medical Center, discusses whether unseasonably warm winter weather may be to thank.
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Secret Life Of Ice

Photographer and videographer Edward Aites, of Seattle, submitted this time-lapse video to Science Friday. He looked at ice through a macro lens and cross-polarizing filters, and found a colorful, surprising landscape. This is ice like you've never seen it before.
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Imagining A More Active Moon

The standard picture of the moon is of a long-dead object, geologically speaking. But using observations from cameras on board the Lunar Reconnaissance Orbiter, Thomas Watters and colleagues say in the journal Nature Geosciencesthat there are signs of more recent tectonic activity on the moon, within the last 50 million years.
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Weaving Around Web Privacy Controls

Web browser manufactures often market their products to consumers with an emphasis on privacy, assuring users that their products can better control how personal information is used online. Carnegie Mellon privacy researcher Lorrie Cranor explains that many companies have developed quiet ways to step around some of that privacy-protecting code.
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Science Diction: The Origin Of 'Tuberculosis'

When doctors autopsied tuberculosis patients, they described finding round, white swellings, especially in and around the lungs. Medical historian Howard Markel describes how those potato-like growths led to the disease being called tuberculosis, from the Latin tuber.

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