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The world of climbing lost a daring innovator Saturday when Dean Potter died during a wingsuit flight. He was killed along with Graham Hunt as they tried to soar above California's Yosemite Valley.

Health officials fear the U.S. may have a nasty flu season because the main flu virus circulating this year tends to hit people hard and the flu vaccine may be weaker than normal.

When a prominent couple are found dead, is it a copycat crime or was the wrong man tried?

A collaboration changes the course of forensic science and international human rights.

'The Poison Squad' tells the story of government chemist Dr. Harvey Wiley.

The life of singer Marian Anderson and her triumphant 1939 concert at the Lincoln Memorial

In 1927, the Mississippi River flooded from New Orleans, leaving a million people homeless

Amanda Shires cuts her own genre blended roots-rock with fierce-sweet violin.

Decade of Fire covers the shocking story of when the South Bronx was on fire in the '70s.

David visits with Jontavious Willis, a young country blues artist from Georgia.