July 28, 2018 - 'Shark Week' is bad for sharks, Milky Way music, climate change makes fish smell badly. Also, flying a drone by moving your body, rats are bad for coral reefs, hunting bison with fire, and sunscreen and freshwater lakes.
Summary: Scientists want a 'fin-ale' to Shark Week shows that hurt sharks. An astronomer turns the motions of our Milky Way galaxy into sweet music. Greenhouse gases will make fish smell worse as the oceans acidify. Piloting a drone with 'body english' beats joysticks hands down. Oh rats! Seabird-eating rodents are hurting coral reefs near tropical islands. Indigenous people hunted bison using fire - and clever manipulation of the landscape. Does sunscreen damage freshwater lake ecosystems?
