Hacker News with Generative AI: Sharks

A longer, sleeker super predator: Megalodon's true form (news.ucr.edu)
The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong.
LED lights on underside of surfboards may deter great white shark attacks (theguardian.com)
Using LED lighting on the underside of surfboards or kayaks could deter great white shark attacks, new research suggests.
Cocaine found in muscle/liver of sharpnose sharks off coast of Rio de Janeiro (phys.org)
Sharks test positive for cocaine in waters off Brazilian coast (thetimes.com)