500-year-old Leaning Tower of Pisa mystery unveiled by engineers

Why has the Leaning Tower of Pisa survived the strong earthquakes that have hit the region since the middle ages? This is a long-standing question a research group of 16 engineers has investigated, including a leading expert ...

Researchers design soft, flexible origami-inspired robot

A Case Western Reserve University researcher has turned the origami she enjoyed as a child into a patent-pending soft robot that may one day be used on an assembly line, in surgery or even outer space.

Cities and monuments switch off for Earth Hour

The Empire State Building and United Nations headquarters in New York joined other iconic buildings and monuments around the world plunging into darkness for sixty minutes on Saturday to mark Earth Hour and draw attention ...

From Sydney to New York, landmarks go dark for Earth Hour

From Sydney's Opera House to New York's Empire State Building and Paris's Eiffel tower, landmarks worldwide dimmed their lights Saturday for the 10th edition of the Earth Hour campaign against climate change.

US spies on mobile phones from the sky, report says

US justice officials are scooping up mobile phone data from unwitting Americans as part of a sophisticated airborne surveillance program designed to catch criminals, the Wall Street Journal reported Thursday.

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