Stone-Age cannibalism, elephant seals act as deep sea sentinels, rabbits eat their own teeth, and our ears used to be gills.

Pupy in her ecoparque enclosure against the backdrop of the city Pupy and her former companion, Kuky, at Ecoparque Buenos Aires Inte ...

This week's Short Wave news roundup covers harvesting drinking water from fog, what elephant seals reveal about fish populations in the deep ocean, and why there's always room for dessert.