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.