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Behind the Backscatter: The Health, Security Implications of Body Scanners

EmbedVideo(2089, 482, 304); On Thursday's NewsHour broadcast, Miles O'Brien reports on the safety of the latest backscatter body-scanning machines that are widely used in American airport security. Hari Sreenivasan caught up with Miles this week…

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Drooling Electrons, Thermodynamics and Beta Decay … in Verse

By Jenny Marder

// In Mala Radhakrishnan's world, where oxygen and palladium atoms clamor to get into the most sought-after beaker and tortured carbon atoms become boron swans, chemistry is rife with mystery, jealousy and, yes, romance. Radhakrishnan, assistant professor at Wellesley College,…

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‘Hacker’ Group Safecast Crowdsources Radiation Data in Japan

By Jenny Marder

// We officially launch a new feature today we're calling "Science Thursday." Each week, we'll feature an online-exclusive multimedia piece on a topic in the world of science and technology. Here's what's up first. On Thursday's NewsHour, science correspondent Miles…

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Watch May 21 Why Rep. Raskin says he’s changed his mind on impeaching Trump
Read May 22 WATCH: Trump refuses to work with Democrats while they investigate him
Watch May 20 Congo’s Ebola crisis threatens to spiral out of control
Read May 22 WATCH: Pelosi says Trump ‘took a pass’ on negotiating infrastructure plan
Read May 21 Justice Department offers to share Mueller documents to avoid House action against Barr

Treasury Secretary Steven Mnuchin testifies before the House Financial Services Committee hearing on "The Annual Testimony of the Secretary of the Treasury on the State of the International Financial System" in Washington, on May 22, 2019. Photo by Mary F. Calvert/Reuters

Politics May 22

Mnuchin says he has ‘no idea’ who wrote IRS memo on tax returns

By Martin Crutsinger, Associated Press

The U.S. Environmental Protection Agency (EPA) sign is seen on the podium at EPA headquarters in Washington. Photo by Ting Shen/Reuters

Health May 22

Children’s health research at risk over lack of EPA funding

By Ellen Knickmeyer, Associated Press

Speaker of the House Nancy Pelosi (D-CA) and Senate Democratic Leader Chuck Schumer (D-NY) speak to the media with House Majority Whip Jim Clyburn (D-SC) and Assistant House Speaker Ben Ray Lujan (D-NM) at their sides after returning to the U.S. Capitol from a meeting with U.S. President Donald Trump at the White House in Washington, on May 22, 2019. Photo by Jonathan Ernst/Reuters

Politics May 22

WATCH: Pelosi says Trump ‘took a pass’ on negotiating infrastructure plan

By Associated Press

President Donald Trump speaks about the investigations by Special Counsel Robert Mueller and the U.S. Congress into himself and his administration in the Rose Garden of the White House in Washington, on May 22, 2019. Photo by Leah Millis/Reuters

Politics May 22

WATCH: Trump refuses to work with Democrats while they investigate him

By Associated Press

Michael Cohen, U.S. President Donald Trump's former attorney, exits the United States Court house after his sentencing, in the Manhattan borough of New York City, on December 12, 2018. Photo by Shannon Stapleton/Reuters

Politics May 22

Search warrants linked to former Trump lawyer Cohen made public

By Eric Tucker, Associated Press

House Speaker Nancy Pelosi, D-Calif., speaks at her weekly news conference on Capitol Hill in Washington, on May 2, 2019. Photo by Yuri Gripas/Reuters

Politics May 22

Pelosi says Trump is ‘engaged in a cover up,’ but urges patience

By Lisa Mascaro, Associated Press

Britain's Prime Minister Theresa May addresses the media outside 10 Downing Street in London. Photo by Henry Nicholls/Reuters

World May 22

May’s leadership in peril after offer of compromise rejected

By Jill Lawless, Associated Press

Virginia Governor Ralph Northam, accompanied by his wife Pamela Northam announces he will not resign during a news conference Richmond, Virginia. Photo by Jay Paul/Reuters

Politics May 22

Probe inconclusive on Virginia governor’s racist yearbook pic

By Ben Finley, Associated Press

Ranking Member of the House Intelligence Committee Adam Schiff (D-Calif.) speaks after Attorney General Jeff Sessions attended a closed door interview with the House Intelligence Committee on Capitol in Washington, D.C. Photo by Joshua Roberts/Reuters

Politics May 22

Justice Department agrees to turn over some Mueller documents

By Associated Press

U.S. Customs and Border Protection Commissioner Kevin K. McAleenan speaks at the U.S. Customs and Border Protection Advanced Training Facility in Harpers Ferry, West Virginia on March 13, 2019. Photo by Joshua Roberts/Reuters

Nation May 22

WATCH: McAleenan addresses child migrant deaths in budget hearing

By Colleen Long, Associated Press

U.S. Border Patrol agents conduct intake of illegal border crossers at the Central Processing Center in McAllen, Texas, Sunday, June 17, 2018. Photo courtesy Customs and Border Patrol

Nation May 22

U.S. closes facility that detained 16-year-old migrant who later died

By Associated Press

Kenyan writer Binyavanga Wainaina, who challenged stereotypes of Africa with biting satire and took on prejudice by documenting his life as an openly gay man, is seen at his an event in Nairobi, Kenya in this picture taken September 4, 2014. Photo via Reuters

World May 22

Kenyan author and LGBT activist Binyavanga Wainaina dies at 48

By Tom Odula, Associated Press

Democratic presidential candidate and former Vice President Joe Biden speaks during the kickoff rally of his campaign for the 2020 Democratic presidential nomination in Philadelphia, Pennsylvania, on May 18, 2019. Photo by Jonathan Ernst/Reuters

Politics May 22

North Korea called Biden ‘fool of low IQ’

By Kim Tong-Hyung, Associated Press

Democratic 2020 U.S. presidential candidate and former Vice President Joe Biden speaks during a campaign stop in Philadelphia, Pennsylvania, on May 18, 2019. Photo by Mark Makela/Reuters

Politics May 22

Biden says Congress should protect abortion rights if necessary

By Bill Barrow, Elana Schor, Associated Press

Senator Kamala Harris holds her first organizing event in Los Angeles as she campaigns in the 2020 Democratic presidential nomination race in Los Angeles, California, on May 19, 2019. Photo by Mike Blake/Reuters

Politics May 22

Harris’ bill seeks to address racial bias in maternal care

By Associated Press

Audience members clap as Democratic 2020 U.S. presidential candidate and Senator Kirsten Gillibrand (D-NY) is introduced during a campaign stop at A&E Coffee and Tea in Apotheca in Goffstown, New Hampshire, on May 10, 2019. Photo by Brian Snyder/Reuters

Politics May 22

Gillibrand proposes more access to maternal care and adoption

By Associated Press

Police detain protesters after clashes in Jakarta, Indonesia, early May 22, 2019. Photo by Antara Foto/Sigid Kurniawan/via Reuters

World May 22

6 dead in Indonesia riots after presidential election

By Stephen Wright, Fadlan Syam, Associated Press

Governor of Kentucky Matt Bevin speaks at 2017 SelectUSA Investment Summit in Oxon Hill, Maryland, on June 19, 2017. Photo by Joshua Roberts/Reuters

Politics May 22

Gov. Bevin to face Beshear in Kentucky gubernatorial showdown

By Bruce Schreiner

Nation May 21

Activists across U.S. protest new wave of abortion bans

By David Crary, Associated Press

Politics May 21

Congressional leaders make progress on debt, spending talks

By Andrew Taylor, Associated Press