Bed bugs bite back
Bed bugs might sound like an old-fashioned problem, but now they are back - and with a vengeance. Fifty years ago, the blood-sucking pests were nearly eradicated in the United States thanks in part to the use of pesticides like DDT. Today, they are creeping over sheets - and tormenting hapless sleepers - across the country. Dr. James Crow, Professor Emeritus of Genetics at the University of Wisconsin - Madison, is one of the founders of population genetics and molecular evolution. He shared his experiences both with early research in pesticide resistance and with bed bugs! (11.5 minutes)
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