SCIENCE IN THE NEWS DAILY
Running in Circles Over Carbon
from the New York Times (Registration Required)
WASHINGTON - Cutting carbon dioxide emissions is a fine idea, and a lot of companies would be proud to do it. But they would prefer to be second, if not third or fourth. This is not a good way to get started in fighting global warming.
As efforts to pass a global warming bill collapsed in the Senate last week, companies that burn coal to make electricity were looking for a way to build a plant that would capture its emissions. There is a will and a way - several ways, in fact - to do just that.
Capturing carbon from these plants may become a lot more important soon. Emissions from coal-fired power plants already account for about 27 percent of American greenhouse emissions, but as prices for other fuels rise, along with power demand, utilities will burn more coal.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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