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Costa Rica on alert as volcano spits ash

Costa Rica declared a state of emergency Thursday after eruptions of ash from a volcano forced international flights to be postponed and threatened the capital, authorities said.

Jaywalking not worth the risk, expert says

The hectic holidays may have many looking to save a few extra minutes wherever they can be found, but a University of Alabama at Birmingham expert says one seemingly small action—jaywalking—should be avoided at all times.

New video streaming technology for mobile phones

VTT Technical Research Centre of Finland has developed a new architecture for better-quality video streaming on mobile phones and across wireless networks. The new architecture is based on utilising information gathered and ...

Under the sea, humans have changed ocean sounds

Not only are humans changing the surface and temperature of the planet, but also its sounds – and those shifts are detectable even in the open ocean, according to research published Thursday.

Making travel quick, safe for cars, bikes, walkers

Cellphones that warn drivers when people are crossing in front of them. Bicycles and cars that communicate with traffic lights. Sensors in cars that quickly alert other drivers to black ice, potholes or other hazards. A low-priced ...

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