Are the Seeds That Spawn America’s Crops Too Homogenized?

A peek inside a massive Colorado seed bank, and a look at concerns surrounding a lack of diversity in the country’s food supply.

A series of fluorescent-lit hallways and humming elevators leads to the reinforced steel door of the vault.  The only indication of the chilly temperatures on the other side is a rack of a half dozen faux-fur-lined jackets.  Pat Conine types the security code into the keypad. The door unseals and swings open with a whoosh.