Dusty old cans turned ecological archive – could fuel many more scientific discoveries. It seems they've opened quite a can of worms https://onlinelibrary.wiley.com/doi/10.1002/ece3.11043 The cans became an archive of excellently preserved specimens; not of salmon, but of worms https://www.sciencealert.com/expired-cans-of-salmon-from-decades-ago-reveal-a-huge-surprise