Sep 5, 2011, 2:40 p.m.
Cancer-fighting virus shown to target tumors alone
LOS ANGELES (Reuters) - Researchers have shown for the first time that a single intravenous infusion of a genetically engineered virus can home in on cancer, killing tumor cells in patients without harming healthy tissue. Scientists have been intrigued for decades with the idea of using viruses to alert the immune system to seek and destroy cancerous cells. That interest has taken off in recent years as advances in genetic engineering allow them to customize viruses that target tumors.
Graphene finding could lead to super-fast Internet
LONDON (Reuters) - British scientists have devised a way of using graphene, the thinnest material in the world, to capture and convert more light than previously, paving the way for advances in high-speed Internet and other optical communications. In a study in the journal Nature Communication, the team -- which included last year's Nobel Prize-winning scientists Andre Geim and Kostya Novoselov -- found that by combining graphene with metallic nanostructures, there was a 20-fold enhancement in the amount of light the graphene could harvest and convert into electrical power.
Oyster gardeners aim to revive ailing Chesapeake Bay
NORFOLK, Va (Reuters) - After 10 years of cultivating oysters in the waters off his backyard dock, Kendall Osborne has developed something of a salt thumb. He began gardening oysters as a way of bonding with his two daughters and, like hundreds of other Virginians, to help bring the ailing Chesapeake Bay back to life and rid it of dead zones where no sea creatures can survive.
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