Video: Keeping cool without killing the planet

We've had the delightful benefits of air conditioning and refrigeration for more than a hundred years now. In the early days, dangerous chemicals were used as refrigerants. Eventually, chlorofluorocarbons (CFCs) were developed.

Researching new detectors for chemical, biological threats

Sandia National Laboratories scientists are thinking small, building on decades of sensor work to invent tiny detectors that can sniff out everything from explosives and biotoxins to smuggled humans.

Dangerous chemicals found in south China river

(AP)—Residents and water plants along a river in southern China that is used as a drinking source have been warned not to use the river's water after authorities detected excessive amounts of two dangerous chemicals.

Nations agree to phase out toxic chemical HBCD

Governments have agreed to phase out the use of the toxic chemical HBCD, and restrict trade in four other dangerous substances, the head of the UN's anti-pollution division said Friday.

The bee's knees for detecting disease

Fire blight is a serious threat to fruit trees. Now a quick test has been developed at the Vienna University of Technology, which can indicate the danger early - with the help of bees.

Waste dump at the end of the world

On their mission to the moon in 1969 the Americans Neil Armstrong and Buzz Aldrin created arguably the most famous footprints ever. Since the time the astronauts of the Apollo 11 Mission stepped onto the surface of our satellite ...

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