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Several swallowtail butterflies mimic other poisonous butterflies. Here are different forms of the same species; in the center lies a female Papilio polytes that does not mimic other species. Photo by Matt Wood of the University of Chicago

Science Nov 07

A 2-million-year-old ‘supergene’ helps these butterflies mimic their poisonous cousins

By Rashmi Shivni, Teresa Carey

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First Comprehensive Genetic Analysis of Breast Cancer Could Change Treatment

First Comprehensive Genetic Analysis of Breast Cancer Could Change Treatment…

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Q&A: Gene Sequence ‘Bank’ Helps Scientists Decipher H1N1 Flu

Within days of the first swine flu case confirmation in California last month, scientists at the Centers for Disease Control mapped the virus's genetic code and posted the sequence in a publicly available database for other researchers to examine.

By PBS NewsHour

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Read Jun 22 What we know about the police shooting death of Antwon Rose Jr.
Read Jun 25 U.S. prosecutors cancel Stormy Daniels meeting in Michael Cohen probe
Read Jun 13 Why Mister Rogers’ message of love and kindness is good for your health
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Light from the setting sun shines on the Supreme Court in Washington, D.C. Photo by Joshua Roberts/Reuters

Politics Jun 25

Supreme Court justices rule for Texas redistricting plans

By Associated Press

Police officers stand in front of the U.S. Supreme Court in Washington, DC, U.S., January 19, 2018. Photo by Reuters.

Politics Jun 25

Supreme Court won’t hear North Carolina districting dispute

By Associated Press

File photo of the Supreme Court by Jonathan Ernst/ Reuters

Politics Jun 25

Justices won’t hear case of anti-gay marriage florist

By Associated Press

Harley-Davidson bikes are seen at the "Hamburg Harley Days" in Hamburg, Germany. Photo by Fabian Bimmer/Reuters

Politics Jun 25

Harley-Davidson, stung by tariffs, shifts some production overseas

By Associated Press

Republican presidential candidate Donald Trump speaks at a news conference while South Carolina Lieutenant Governor Henry McMaster looks on at the Hanahan Town Hall in Hanahan, South Carolina, in February. Photo by Randall Hill/Reuters

Politics Jun 25

Hours before polls open, Trump to stump for South Carolina governor

By Meg Kinnard, Associated Press

President Donald Trump listens during an "Angel Families" immigration event at the White House in Washington, D.C. Photo by Leah Millis/Reuters

Politics Jun 25

AP fact check: Trump’s mixed signals on immigration, North Korea

By Hope Yen, Christopher Rugaber, Associated Press

Adult-film actress Stephanie Clifford, also known as Stormy Daniels, speaks as she departs federal court in the Manhattan borough of New York City, New York, U.S., April 16, 2018. REUTERSLucas Jackson - RC1E7F0B4AF0

Politics Jun 25

U.S. prosecutors cancel Stormy Daniels meeting in Michael Cohen probe

By Michael Balsamo, Catherine Lucey, Associated Press

Turkish President Tayyip Erdogan waves to supporters as he leaves his residence in Istanbul

World Jun 24

Turkey: Erdogan claims victory in presidential election

By Associated Press

Nation Jun 24

At hub for border crossings, families spread throughout U.S.

By Will Weissert, Elliot Spagat, Associated Press

Economy Jun 24

From boat makers to farmers, U.S.-led tariff war inflicts pain

By Paul Wiseman, Michelle R. Smith, Associated Press

Trump speaks at the Nevada Republican Party Convention Las Vegas

Nation Jun 24

Trump officials pledge to reunite families amid border chaos

By Colleen Long, Associated Press

Nation Jun 24

Oklahoma conservatives’ views on medical marijuana evolving

By Sean Murphy, Associated Press

World Jun 24

As Saudi women take the wheel, activists say fight for gender equality continues

By Ilayda Kocak

World Jun 24

Zimbabwe rules out delaying election after blast at rally

By Farai Mutsaka, Associated Press

Science Jun 24

Will launching plants into orbit yield new medicines?

By Eric Boodman, STAT

World Jun 24

At mini-migration summit, EU nations try to resolve differences

By Raf Casert, Associated Press

Walter Amilcar Garcia, 42, reacts as he visits his damaged house after the eruption of the Fuego volcano at El Rodeo in Escuintla

World Jun 23

After volcano eruption, Guatemalans lead their own disaster recovery

By Walter E. Little, The Conversation

World Jun 23

Health officials cautiously optimistic dangerous Ebola outbreak is over

By Helen Branswell, STAT

Politics Jun 23

Protests, facility visits planned amid immigration confusion

By Associated Press

U.S. Secretary of Housing and Urban Development Ben Carson testifies to House Appropriations Transportation, Housing and Urban Development and Related Agencies Subcommittee on Capitol Hill in Washington

Nation Jun 23

Reports: HUD failed to track lead paint cases, ensure fixes

By Juliet Linderman, Associated Press