Canned salmon, long thought to be just a pantry staple, has unexpectedly become a valuable archive of Alaskan marine ecology. A recent study examined expired cans of salmon dating back to the 1970s, ...

Canned salmon are the unlikely heroes of an accidental back-of-the-pantry natural history museum, with decades of Alaskan marine ecology preserved in brine and tin. That's a problem for parasite ...