This Week in Science: Neil The Seal, Mega Megalodon, And More!

This Week in Science: A viral sensation is back in town, a sea monster's gigantic size is confirmed, Yellowstone installs a new pool, and much more! First up: 'Neil the seal' has returned to wreak havoc in the Tasmanian towns where he first achieved internet stardom.

Raccontata dasciencealert.com