Scientists from Harvard and the University of Virginia have developed the first robotic tuna that can accurately mimic both the highly efficient swimming style of tuna, and their high speed.

Environmental protection is not a goal to achieve but a task to be undertaken by one generation and handed to the next, Gina McCarthy, the former EPA administrator and current director of Harvard’s Center for Climate, Health, and the Global Environment, told the Gazette in an Earth Day interview.

Author Paul Greenberg said eating more and different seafood, emphasizing species that are less energy-intensive to harvest and high in omega-3 fats, can help answer the world’s food challenges in the coming decades.

In a first-of-its-kind study, findings suggest that continued ocean warming and acidification could impact everything from how fish move to how they eat.

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.