The 3 best predictors of how well you’ll age - Juulia Jylhävä

Transcript

If you want to learn a fish’s age, simply take one of its scales and count the number of bands radiating from its center. For trees, you can count their rings; for narwhals, their tusk layers; and for blue whales, their layers of earwax. When it comes to humans, scientists have yet to find any visible traits that mark our age with anywhere near th... Read More