What killed and ate a really big shark? An even bigger shark, scientists say
As It Happens6:05What killed and ate a really big shark? An even bigger shark, scientists say When marine biologist James A. Sulikowski started monitoring the migration and mating habits of porbeagle sharks, he didn’t expect he would end up investigating a murder mystery. But when Penelope, a 2.4-metre-long porbeagle, dropped off his research team’s radar, … Read more
