Scientists designed color-changing carbon dot biosensors that can detect spoiled meat in sealed packages in real-time, just in case you don’t trust the sniff-test.

    • criticon@lemmy.ca
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      11 hours ago

      Looking at my nearest Costco vs Walmart prices

      Ribeye choice:

      Costco $15.99 / lb

      Walmart $23.47 / lb

      Ribeye prime

      Costco $20.99 / lb

      Walmart $27.98 / lb

      • 3abas@lemmy.world
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        8 hours ago

        Costco slices their ribeyes thick. 3 at ~1 pound each is right around that prime price.