11/04/2014

How 'social contagion' begins and escalates

Understanding the roots of a global, contagious spread of online information may help better predict political revolutions, consumer behavior, box office revenues, public policy debates, and even public health epidemics, ...

Researchers find sulfur reducers were at work on the early Earth

(Phys.org) —A lot can happen to a rock over the course of two and a half billion years. It can get buried and heated; fluids remove some of its minerals and precipitate others; its chemistry changes. So if you want to use ...

Shark fin imports to world's biggest market drop by third

The volume of shark fin products imported into the city of Hong Kong in 2013 dropped by 34.7 percent, according to government data analysed by WWF. Statistics show that there was also a significant decline in the number of ...

The bicoloured shrew is a health risk for horses

The bicoloured shrew is a protected species in Central Europe, but these furry insect-eaters have a dark secret. Researchers from the Vetmeduni Vienna have discovered that bicoloured shrews carry the Borna virus. Infection ...

Magnetization can surf on the top of a laser-induced sound wave

An effective coupling between magnetism and light can be mediated by sound. This newly discovered phenomenon could be important for recording data on a magnetic device with the help of light. Physical Review Letters publishes ...

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