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. Elephant ...

DETROW: OK. BARBER: How elephant seals are helping scientists monitor ocean health. KWONG: And lastly, finding water in the desert fog. DETROW: All interesting. Obviously we need to start with ...

What are they? KWONG: Why our craving for dessert begins in our brains. DETROW: OK. BARBER: How elephant seals are helping scientists monitor ocean health. KWONG: And lastly, finding water in the ...