PBS NewsHour

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Synthetic biologist at the University of California, Berkeley show off their brewer’s yeast for opiates. The beaker on the left contains a yeast strain that changes color when a key ingredient for opiates is ready. This color-coded biosensor...
Photo by Jim McGuire/Getty Images Boston University economist Larry Kotlikoff has spent every week, for more than two years, answering questions about what is likely your largest financial asset — your Social Security benefits. His Social...
Photo provided by Justina Mintz/AMC After spending eight seasons with the unflappably cool Don Draper and the hard-drinking ad men of 1960s Madison Avenue, “Mad Men” aired its series finale Sunday. In seven seasons, the show and its creator, Matthew...
Potential Republican 2016 presidential candidate U.S. Senator Lindsey Graham (R-SC) speaks at the First in the Nation Republican Leadership Conference in Nashua, New Hampshire, in April. Brian Snyder/Reuters ATLANTA — South Carolina Sen....
Watch Ted Mathys read his poem “Artifact Hotel” from his collection “Null Set” at the 2015 AWP Conference and Bookfair in Minneapolis. The text of the poem is below. Artifact Hotel There hangs, in a hotel in Chicago, on the thirtieth...
Hello, Twitter! It's Barack. Really! Six years in, they're finally giving me my own account. — President Obama (@POTUS) May 18, 2015 WASHINGTON — President Barack Obama is embracing short-form communication. Twitter has a new @...