15/01/2015

For sea turtles, there's no place like magnetic home

Adult sea turtles find their way back to the beaches where they hatched by seeking out unique magnetic signatures along the coast, according to new evidence from the University of North Carolina at Chapel Hill.

What drives killers like the Ottawa or Paris attackers?

Zehaf-Bibeau, the Islamist convert who recently killed a Canadian military reservist on duty in Ottawa, Canada, represents a type of attacker rarely discussed—a person so obsessed with an overvalued idea that it defines ...

Live imaging captures how blood stem cells take root in the body

A see-through zebrafish and enhanced imaging provide the first direct glimpse of how blood stem cells take root in the body to generate blood. Reporting online in the journal Cell today, researchers in Boston Children's Hospital's ...

World's most powerful electrical testing system unveiled

Florida State University's Center for Advanced Power Systems has unveiled a new 24,000-volt direct current power test system, the most powerful of its kind available at a university research center throughout the world.

Yak dung burning pollutes indoor air of Tibetan households

Tibet, the highest region on Earth and one of the most remote, is associated with vivid blue skies and the crystal clear air of the Himalayas. During the long cold season, however, the traditional nomadic people spend much ...

Science panel: no alternative to bulk collection

A committee of scientific experts has concluded that there is no viable technological alternative to bulk collection of data by the National Security Agency that allows analysts access to communications whose significance ...

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