15/03/2011

See Mercury at sunset

The timing couldn't be better. Just as NASA's MESSENGER probe is about to enter orbit around Mercury, the innermost planet is popping out of the twilight for its best apparition of 2011.

Method for making nanowells drawn from a misunderstanding

(PhysOrg.com) -- A safe, simple, and cheap method of creating perfectly etched micron and smaller size wells in a variety of substrates has been developed by researchers in Penn State’s Department of Chemical Engineering. ...

Researchers reveal that sharks are hygienic

(PhysOrg.com) -- Scientists at Bangor University have shown for the first time, that sharks visit shallow tropical reefs or 'seamounts', to benefit from cleaning services and rid themselves of cumbersome parasites. The strategy ...

Northern peatlands a misunderstood player in climate change

University of Alberta researchers have determined that the influence of northern peatlands on the prehistorical record of climate change has been over estimated, but the vast northern wetlands must still be watched closely ...

Golf courses that reuse water irrigate too much

Irrigation is one of the most controversial aspects in the sustainable management of golf courses. Researchers from the Canary Islands have spent 25 years analysing the practices relating to reclaimed water at one of the ...

Dairy farmer finds unusual forage grass

A U.S. Department of Agriculture (USDA) grass breeder has rediscovered a forage grass that seems just right for today's intensive rotational grazing.

Germany shuts down seven reactors

Germany announced Tuesday the temporary shutdown of the oldest seven of its 17 nuclear reactors pending a safety review in light of Japan's atomic emergency.

The state of solar

Arizona has more sunny days per year than any other state in the U.S. Phoenix residents enjoy more than 300 sun-filled days per year, according to the city’s official website. Given this seemingly endless supply of sunlight, ...

EU to mull 'stress tests' for nuclear plants

The European Union will discuss Tuesday whether to conduct "stress tests" on atomic power plants to check their safety in light of Japan's nuclear crisis, a European Commission spokeswoman said.

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