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Since sexual contact can transmit disease, why don't any diseases increase our sex drive? Why is Wednesday pronounced differently than it's spelled? Why do British lawyers and judges still wear powdered wigs? The answers, plus a fond farewell.

There's science behind why reheated coffee is terrible. In the incredible future, we may have better ways to mammogram. Plus, the woman who founded home economics was all kinds of amazing.

Research into missing limbs indicates that our brains control function differently than we thought. Underground mole rats can live without oxygen. Plus, the mysteries of Blood Falls have been solved.

Female Supreme Court justices get interrupted three times as often as male justices. Climbing stairs may be as effective as caffeine at perking you up. Plus, today's teens are doing pretty OK. Really.

Are humans nutritous enough to make cannibalism feasible? Could Trump's proposed border wall be improved with a Hyperloop?. Plus: Should the FBI be able to use everyone's photos in their crime-solving facial recognition program?

Humans are ill-suited to the rigors of space, but augmenting ourselves with technology may create opportunities to explore and colonize worlds beyond our own. In this episode, we experiment in such a future.