Sharks, glorious sharks. One of the trinity that makes up elasmobranchs, a group of cartilaginous fish that includes sharks, rays, and skates.
O. megalodon, my megalodon. The gargantuan shark that prowled the Miocene seas has long captured the imagination because of its stupendous 60-foot length—three times the size of the largest great white sharks. But now, a team of researchers suggests that the extinct apex predator’s body shape was slightly different…