Building protocells from inorganic nanoparticles

(Phys.org) —Researchers at the University of Bristol have led a new enquiry into how extremely small particles of silica (sand) can be used to design and construct artificial protocells in the laboratory. The work is described ...

Arctic oil drillers face tighter US rules to stop spills

Royal Dutch Shell Plc and any oil drilling company that prospects in the Arctic Ocean must boost safety practices to prevent spills in the frigid and often hostile waters or mitigate the impact, U.S. regulators proposed Friday.

Long-distance swims may cause polar bear problems

Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.

70 evacuated as Colima volcano spews ash in western Mexico

Ash and cinders spewed Saturday from the Colima Volcano in western Mexico, prompting authorities to close the airport in the state capital of Colima and order the evacuation of a half dozen hamlets on the flanks of the peak.

Mobile phones to aid interior design

Research into using simple video clips to build up a virtual 3D environment has won a Best Paper award for a team from the Department of Engineering.

Four-in-One: Targeted Gene Suppression in Cancer Cells

(PhysOrg.com) -- Diagnosis and treatment in one go: Korean researchers led by Tae Gwan Park and Jinwoo Cheon have developed the basis for a four-in-one agent that can detect, target, and disable tumor cells while also making ...

The continents as a heat blanket

Drifting of the large tectonic plates and the superimposed continents is not only powered by the heat-driven convection processes in the Earth's mantle, but rather retroacts on this internal driving processes. In doing so, ...

Scientist who saw drowned polar bears reprimanded

(AP)—An Alaska scientist whose observations of drowned polar bears helped galvanize the global warming movement has been reprimanded for improper release of government documents.

How receptors for medicines work inside cells

G protein-coupled receptors are the key target of a large number of drugs. Würzburg scientists have now been able to show more precisely how these receptors act in the cell interior.

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