One method for getting the age of the shark involves the eye lenses - of a dead shark. This 393 year shark was the oldest living thing. (In other words it’s dea

One method for getting the age of the shark involves the eye lenses - of a dead shark. This 393 year shark was the oldest living thing. (In other words it’s dead.) https://www.newyorker.com/tech/annals-of-technology/the-strange-and-gruesome-story-of-the-greenland-shark-the-longest-living-vertebrate-on-earth https://www.newyorker.com/tech/annals-of-technology/the-stra...