09/10/2009

How RNA polymerase II gets the go-ahead for gene transcription

All cells perform certain basic functions. Each must selectively transcribe parts of the DNA that makes up its genome into RNAs that specify the structure of proteins. The set of proteins synthesized by a cell in turn determines ...

Pigs learn to understand mirrors

(PhysOrg.com) -- A study of domesticated pigs has found that with just a little experimentation they can find food based only on a reflection in a mirror.

NASA probes hit moon twice (Update 2)

NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, created twin impacts on the moon's surface early Friday in a search for water ice. Scientists will analyze data from the spacecraft's instruments to assess ...

Wasteland and wilderness

(PhysOrg.com) -- Harvard science historian and physicist Peter Galison is using part of his Radcliffe year to explore the intersections of forbidden wilderness and nuclear wasteland.

Race for Superconductors Shrinks to Nanoscale

(PhysOrg.com) -- A team of researchers from UT Dallas, Clemson University and Yale University are using science on the nanoscale to address one of the most elusive challenges in physics - the discovery of room-temperature ...

Climate talks ending with rich-poor rift wide open

Two weeks of crucial UN climate talks were due to conclude Friday after exposing huge rifts between rich and poor nations, just weeks ahead of the deadline for sealing a planet-saving global deal.

Large Hadron Collider could test hyperdrive propulsion

(PhysOrg.com) -- The world's most powerful particle accelerator, the Large Hadron Collider (LHC), could be used to test the principles behind hyperdrive, a possible future form of spacecraft propulsion that could drive spacecraft ...

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