If you ignore the hype-tastic semi-scare headline, then it's an interesting article, about some details of tiny-scale biological evolution. As studied in algae

If you ignore the hype-tastic semi-scare headline, then it's an interesting article, about some details of tiny-scale biological evolution. As studied in algae-eating water fleas. Which are almost too small to see, but collectively an important part of the marine food chain.