Research roundup: 6 cool science stories we almost missed Crushing soda cans for science, why dolphins swim so fast, how urine helps mushrooms communicate, and more https://arstechnica.com/science/2026/05/research-roundup-6-cool-science-stories-we-almost-missed-4/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social