Japan looks to ancient wisdom to save biodiversity

Four decades ago the oriental white stork became extinct in Japan, the victim of rapid industrialisation and modern farm practices and heavy pesticide use that destroyed its habitat.

Schwarzenegger checks out China's high-speed rail

(AP) -- Gov. Arnold Schwarzenegger is engaging in a little window-shopping of China's new high-speed train lines while peddling Californian exports and tourism in the world's second-largest economy.

Tail of stray black hole hiding in the Milky Way

It is difficult to find black holes, because they are completely black. In some cases black holes cause effects which can be seen. For example if a black hole has a companion star, gas streaming into the black hole piles ...

Sound bullets in water

Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, researchers at Caltech led by ...

Bullet 'fingerprints' to help solve crimes

Criminals don't just have to worry about their own fingerprints these days: because of a young forensic scientist at The University of Western Australia, they should also be very concerned about their bullets' unique 'fingerprints'.

Controlling the speed of light bullets

Though it sounds like something straight out of science fiction, controlling the speed of light has in fact been a long-standing challenge for physicists. In a study recently published in Communications Physics, researchers ...

Caltech researchers create 'sound bullets'

Taking inspiration from a popular executive toy ("Newton's cradle"), researchers at the California Institute of Technology have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amplitude ...

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