A 319-million-year-old brain has been discovered. It could be the oldest of its kind | CNN
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe With news of amazing discoveries, scientific advances and more. CNN – A scan of a 319-million-year-old fossilized fish skull has uncovered the oldest example of a well-preserved vertebrate brain, shedding light on the early evolution of bony fishes. A fossil skull belonging to the …