They’re fast, they’re sleek, and they can smell prey from two miles away.
It’s no wonder we’re so fascinated by sharks. But despite our keen interest, there’s a lot we don't know about these predators. Scientists just recently learned great whites can live for up to 70 years, and the way they made that discovery is equally fascinating.
- WGBH News science editor Heather Goldstone has a PhD from MIT-Woods Hole Oceanographic Institute and is an expert in environmental science.