Prosthetic hands for kids are often too heavy and expensive for practical use. On today’s show we’ll hear about a company called e-NABLE that has formed a network of volunteers from across the world to create 3-d printed, low-cost prosthetics with a kid-friendly aesthetic.

Then, for centuries, meditation has been used to quiet the mind and focus attention. Now, modern technology reveals the medical benefits of mindfulness.

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Ever wonder whether hard facts play a part in changing a person's mind? Turns out, not so much. Boing Boing's Maggie Koerth-Baker wrote about the real influences on choice for The New York Times Magazine.