Mark Zuckerberg's stake in Facebook has climbed to nearly 30 percent since the leading social network made its dismal stock market debut, according to a filing Wednesday with US regulators.
Business
Feb 14, 2013
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(AP)—The research center largely responsible for launching the "green revolution" of the 1960s that dramatically raised crop yields is getting support from the world's richest men to develop genetically-modified seeds to ...
Biotechnology
Feb 14, 2013
6
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A new type of nanoscale engine has been proposed that would use quantum dots to generate electricity from waste heat, potentially making microcircuits more efficient.
Nanophysics
Feb 14, 2013
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