01/06/2012

Integrated sensors handle extreme conditions

A team of Case Western Reserve University engineers has designed and fabricated integrated amplifier circuits that operate under extreme temperatures – up to 600 degrees Celsius - a feat that was previously impossible.

Free-electron lasers reveal detailed architecture of proteins

(Phys.org) -- In the centennial year of Max von Laue’s discovery that X-ray diffraction can be used to unravel the atomic architecture of molecules, a new approach to the determination of high-resolution structures has ...

A genetic alternative to fertilizer

Several studies have shown that a lack of nitrogen in soils adversely affects crop yields. The modern use of nitrogen fertilizers has improved yields to meet expanding global food demand, but in some cases up to 50% of the ...

Winter honey bee losses decline

Total losses of managed honey bee colonies from all causes dropped to 21.9 percent nationwide for the 2011/2012 winter, a decline of some 8 percentage points or 27 percent from the approximately 30 percent average loss beekeepers ...

Study highlights climate food risk hotspots

The poorest societies may be more able to adapt to the threat climate change poses to food supplies than their slightly richer peers, a new study suggests.

Venus, a planetary portrait of inner beauty

(Phys.org) -- A Venus transit across the face of the sun is a relatively rare event -- occurring in pairs with more than a century separating each pair. There have been all of 53 transits of Venus across the sun between 2000 ...

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