They opened a can of salmon expired for 50 years, and what they discovered surprised scientists: "It’s a sign that the fish comes from a healthy ecosystem.” - Evidence Network

They opened a can of salmon expired for 50 years, and what they discovered surprised scientists: "It’s a sign that the fish comes from a healthy ecosystem.” - Evidence Network

Cans forgotten for decades reveal valuable clues about the health of marine ecosystems. A team of American researchers has studied more than 170 cans of ...