Carbon dioxide (CO2) is known as a greenhouse gas and plays an essential role in climate change; it is no wonder scientists have been looking for solutions to prevent its release in the environment. However, as a cheap, readily available and non-toxic carbon source, in the past few years there have been efforts to turn carbon dioxide into valuable wares, or ‘value-added’ products.
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"Now I know mosses have a whole secret world,” says Jean, a University of Saskatchewan biology PhD student. “It’s like discovering a mini forest in the forest.”
Not just pretty, mosses contribute up to 30 per cent of Canada’s boreal forest total growth every year, while maintaining the organic floor necessary for evergreens to grow.
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As the infamous floating “garbage patch” churns up bits of plastic in the tropical Pacific Ocean, a University of Washington undergraduate has discovered a related problem much closer to home: nearly invisible bits of plastic on Puget Sound beaches.
As a year-long project toward a UW bachelor’s degree, the oceanography major visited 12 beaches around Puget Sound to tally the number of microplastics, generally classified as fragments between 0.3 and 5 millimeters (1/100 to 1/5 of an inch) or smaller than a grain of rice.
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University of Washington researchers have invented a cellphone that requires no batteries — a major leap forward in moving beyond chargers, cords and dying phones. Instead, the phone harvests the few microwatts of power it requires from either ambient radio signals or light.
The team also made Skype calls using its battery-free phone, demonstrating that the prototype made of commercial, off-the-shelf components can receive and transmit speech and communicate with a base station.
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