Catalyst: How seed libraries are protecting our food

A majority of the world’s food supply comes from just 12 different kinds of plants. A catastrophic global event could wipe out a country’s food supply. But there is a backup plan.

“Catalyst” explores the connection between seed sharing, community gardens and food consumption.

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Discover stories behind 'Places That Changed America'

10 Places That Changed America

Host Geoffrey Baer takes viewers across the country to tell the stories behind legendary streets, monuments and man-made marvels that changed our country forever.

American Masters presents 'Ted Williams: The Greatest Hitter Who Ever Lived"

'Endeavour' returns to 'Masterpiece' for more Oxford mysteries

Endeavour Season 5 on Masterpiece

Shaun Evans returns for a fifth season of the popular series as the young Endeavour Morse, before his signature red Jaguar but with his deductive powers already running in high gear. Sundays at 8 p.m., beginning June 24.