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Nanotechnology in reverse uses cell to calibrate tools



(University of California - Davis) Nanotechnology researchers at UC Davis have shown that they can use a red blood cell to calibrate a sensitive instrument, an atomic force microscope.


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McCain talks to auto workers hit by economy

Republican presidential candidate Sen. John McCain, R-Ariz. gestures during a town hall meeting at the General Motors Design Center in Warren, Mich., Friday, July 18, 2008. The Republican presidential candidate is seeking to bolster his appeal to voters on economic issues by speaking to some of those hardest hit in the recent downturn: auto workers.


Pope warns Catholic youth of creeping spiritual desert (AFP)

Thousands of pilgrims wait for the arrival of Pope Benedict XVI at Randwick racecourse in Sydney for the start of the World Youth Day final mass. The Pope urged hundreds of thousands of young Catholics to beat back a AFP - Pope Benedict XVI on Sunday urged hundreds of thousands of young Catholics to beat back a "spiritual desert" spreading through the modern world as he closed Catholic World Youth Day in Australia.


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Aleida March, Ernesto Che Guevara's widow, accompanied by Nicaragua's President Daniel Ortega (R) and his wife Rosario Murillo, speaks during an event marking the 29th anniversary of the Sandinista revolution in Juan Pablo II square in Managua July 19, 2008. REUTERS/Oswaldo RivasReuters - Tens of thousands of people filled Nicaragua's capital on Saturday to celebrate the country's 1979 leftist revolution, giving a lift to President Daniel Ortega as his government faces simmering protests.



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