Smithsonian's National Museum of Natural History director Kirk Johnson examines what was once a Late Cretaceous landscape, in North Dakota’s Hell Creek Formation in July 2013.

Smithsonian's National Museum of Natural History director Kirk Johnson examines what was once a Late Cretaceous landscape, in North Dakota’s Hell Creek Formation in July 2013.

Wednesday, Jun 10 12 p.m. (ET)

Natural History Museum Director Kirk Johnson

Natural history is a window into the planet's past and a tool for looking into the future. The director of the National Museum of Natural History -- a paleobotanist himself -- explains.

Alyssum growing in a milk carton on a windowsill in Washington, D.C.

Alyssum growing in a milk carton on a windowsill in Washington, D.C.

Wednesday, Jun 10 1 p.m. (ET)

Research Farms & Urban Agriculture

The University of the District of Columbia is home to a new research farm designed to support people who want to grow food in urban environments. Kojo explores this new wave of research in urban agriculture.

Brin-Jonathan Butler, author of The Domino Diaries

Brin-Jonathan Butler, author of The Domino Diaries

Wednesday, Jun 10 1:39 p.m. (ET)

“Domino Diaries”

Cuba has trained some of the world's top boxers, and won more than 35 Olympic Gold Medals in the sport. But the life of a Cuban boxer, outside the ring, is far less glamorous than what we've come to expect from top athletes. Professional boxing has been banned since the Cuban Revolution, which means boxers have always lived on the same pittance as everyone else. We explore Cuban culture through the lens of boxing, in a society on the brink of unknown change.

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