Foie gras has been produced by farmers since the days of ancient Egypt, when farmers discovered that the waterfowl's liver expanded in the days leading up to the bird's planned migration.

CNN: Foie gras causes uproar

The MIT mathematicians, that is, sidestepped a weak spot that had plagued cryptographers ever since the days of the ancient Greeks: How do sender and receiver hand off a key without risking that their communication channel or their courier will be compromised in some way?

FORBES: I've got a secret