smell receptors

The notes of physicians are now freely available to patients. Is medical innovation fueled by theory or experiments? Another consideration in the Wuhan leak story, what are the limits to eminence over specific expertise? Finally, the nose knows - in this case how the receptors of smell are challenging lock and key.
Here's today's lineup: Why are there smell receptors in the kidney? ... Men and women see the world differently ... Spotify shows us how big data can inform and delight us ... and robots come for the village blacksmith.