The slippery science of Olympic curling: we still don’t know how it works

Scientists are still not sure what puts the “curl” in curling.

Slip, slop, slurp! The surprising science of sunscreen, sand and ice cream

Ahh, summer at the beach! The sun on your face, sand between your toes, an ice cream in your hand. For scientists young and old, a trip to the beach is also a perfect opportunity to explore the peculiar properties of some fascinating fluids.