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Water. We're in a heap o' trouble, people.
Engineers say their egg-size bot could swim through nuclear plants, many of which are aging and threatening local groundwater.
One is easier on the lungs, one on the planet, and two use compounds from fireworks. Any one of these being tested by the US Army could replace the WWII-era smoke grenades still in use.
The project, which has been given the go-ahead by a regulatory body, is designed to hamper the build-up of radioactive water around the crippled nuclear plant.
In order to follow the life cycle of bacteria, an engineer builds a model human colon and feeds it three times a day for weeks.
Sea-surface temperatures may explain why climate change is not warming the planet as fast.
If your job is cleaning up nuclear disasters, you might also want to consider a $1,000 anti-radiation swimsuit.
Scientists find new evidence that contradicts earlier assumptions that the lagoon city was out of trouble.
How are these unusual minerals extracted from the ground and why is that process an environmental risk? CNET's Jay Greene explains.
water water not everywhere