Mexico scrambles to save world's smallest porpoise (Update)

Mexican authorities and scientists are scrambling to save the world's smallest porpoise, the vaquita marina, from extinction, capturing illegal "ghost" fishing nets while hoping to make specimens reproduce in captivity.

Columbia leads effort to develop a quantum simulator

Quantum technologies—simulators and computers specifically—have the potential to revolutionize the 21st century, from improved national defense systems to drug discovery to more powerful sensors and communication networks.

Fossil-fuel emissions unbraked by financial crisis

Emissions of carbon dioxide (CO2) from fossil fuels and the cement industry scaled a record high in 2010, rocketing by 5.9 percent over 2009 in a surge led by developing countries, scientists reported on Sunday.

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