15/02/2010

Fog has declined in past century along California's redwood coast

California's coastal fog has decreased significantly over the past 100 years, potentially endangering coast redwood trees dependent on cool, humid summers, according to a new study by University of California, Berkeley, scientists.

The rhythm of our star

When we look at the Sun we cannot penetrate beyond its outer surface, the photosphere, which emits the photons that make up the radiation we can see. So how can we find out what is inside it?

NRL Develops Technique To Speed Detection Process

(PhysOrg.com) -- Researchers at the Naval Research Laboratory are developing a device to enable rapid detection and identification of bacteria, chemicals, and explosives in the environment or on the battlefield.

Induced neural stem cells: Not quite ready for prime time

(PhysOrg.com) -- The great promise of induced pluripotent stem cells is that the all-purpose cells seem capable of performing all the same tricks as embryonic stem cells, but without the controversy.

Gold and silver nanowires bond naturally, stay strong

(PhysOrg.com) -- Welding uses heat to join pieces of metal in everything from circuits to skyscrapers. But Rice University researchers have found a way to beat the heat on the nanoscale.

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