17/05/2013

Mathematicians analyze social divisions using cell phone data

Differences divide us. Human society fractures along lines defined by politics, religion, ethnicity, and perhaps most fundamentally, language. Although these differences contribute to the great variety of human lives, the ...

Nine-year-old Mars rover passes 40-year-old record

While Apollo 17 astronauts Eugene Cernan and Harrison Schmitt visited Earth's moon for three days in December 1972, they drove their mission's Lunar Roving Vehicle 19.3 nautical miles (22.210 statute miles or 35.744 kilometers). ...

GPS solution provides 3-minute tsunami alerts

Researchers have shown that, by using global positioning systems (GPS) to measure ground deformation caused by a large underwater earthquake, they can provide accurate warning of the resulting tsunami in just a few minutes ...

Energy-positive with natural ventilation

Buildings can be air-conditioned using entirely natural means, without mechanical ventilation systems. This is the claim made by 78-year-old Benjamin Bronsema, who will be awarded his PhD for his thesis on the subject at ...

Study shows restored oyster reef worth its weight in nutrients

A study led by researcher Lisa Kellogg of William & Mary's Virginia Institute of Marine Science shows that a restored oyster reef can remove up to 10 times more nitrogen from Chesapeake Bay waters than an unrestored area ...

Nanocrystals grow from liquid interface

An international collaboration of scientists has discovered a unique crystalizing behavior at the interface between two immiscible liquids that could aid in sustainable energy development.

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