Crushing soda cans for science, why dolphins swim so fast, how urine helps mushrooms communicate, and more

It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across. So every month, we highlight a handful of the best stories that nearly slipped through the cracks. April’s list includes tracking Roman ship repairs, the discovery that mushrooms can detect human urine, crushing soda cans for science, and the physics of why dolphins can swim so fast.

Physics of why dolphins swim so fast

Dolphins are very good swimmers but the exact mechanisms by which they achieve their impressive speed and agility in water have remained murky.…