this post was submitted on 19 Feb 2026
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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.

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[–] GR4CELESS@lemmy.zip 8 points 17 hours ago (1 children)

Pictured is meat with Kirkland branding, which is Costco's in-house brand. Better place to shop than walmart already

[–] devolution@lemmy.world 0 points 17 hours ago (2 children)

3 Ribeyes are currently $67 there. You cracked out? Lol

[–] criticon@lemmy.ca 11 points 17 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

[–] devolution@lemmy.world 2 points 16 hours ago (1 children)

I was just at Costco yesterday. Then again different prices in different states?

[–] 3abas@lemmy.world 3 points 13 hours ago

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