03/03/2015

Study shows one reason why pigeons so rarely crash

(Phys.org)—A pair of researchers with Harvard University has uncovered one of the secrets behind pigeons' impressive flight abilities. In their paper published in Proceedings of the National Academy of Sciences, David Williams ...

Plants detect bacterial endotoxin in similar process to mammals

Similar to humans and animals, plants possess an innate immune system that protects them from invading pathogens. Molecular structures that only occur in pathogens enable their recognition and trigger the immune response. ...

Can we track the world's nuclear weapons?

The Bulletin of the Atomic Scientists has unveiled an interactive infographic that tracks the number and history of nuclear weapons in the nine nuclear weapon states: the United States, Russia, the United Kingdom, France, ...

Unified theory for skyrmion-materials

Magnetic vortex structures, so-called skyrmions, could in future store and process information very efficiently. They could also be the basis for high-frequency components. For the first time, a team of physicists succeeded ...

Egypt unearths 3000-year-old tomb in southern city

Egypt's Ministry of Antiquities says American archeologists have discovered a 3000-year-old tomb with beautifully painted walls belonging to a nobleman who guarded the temple of the ancient deity Amun.

Automakers vow not to give up on weak-selling electrics

Top automakers are vowing not to give up on weak-selling electric vehicles—even as they unveil an array of powerful luxury cars with conventional engines aimed at a growing global market.

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