Scientists issue warning after observing alarming shift in great white sharks: 'We saw things happen that we'd never expect'

Scientists issue warning after observing alarming shift in great white sharks: 'We saw things happen that we'd never expect'

For years, South Africa's Seal Island was a bucket-list destination for marine wildlife lovers hoping to witness the breathtaking power of great white sharks leaping from the ocean in pursuit of seals.  But in a troubling turn, the great whites have all but disappeared, as National Geographic detailed — and their absence is sending shockwaves through the entire marine ecosystem. What's happening?  A new study from the Shark Research Foundation, …