This video demonstrates that even when food samples appear visually normal under standard examination, microscopic analysis may reveal invisible bacteria that cannot be detected without special staining techniques, highlighting the importance of proper laboratory methods in food safety testing.
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This 80 year old corn is dangerous
Added:So I have this right here.
Okay.
It's a can of creamed corn from World War II.
I want to open it up and see what kind of bacteria we can find in it.
The one thing that I don't like about it is why is it so puffed?
Does that mean it's filled with botulism or something?
Oof.
That doesn't smell good.
It smells like corn, but bad corn.
Watch, are we gonna open it up, and it's just green?
Oh no.
Wait a minute.
It kinda looks alright though, like... It does but doesn't.
Okay.
Okay.
The part that disturbs me the most is look at the can.
There's something wrong there.
- It's like the corn ate the can. - Yeah.
So the bottom of the corn is not supposed to look like that.
Yeah the brown part or the dark part is, I don't think that's normal.
No, but the top looked okay though.
Could we try putting it on, using the microscope?
Yeah, I mean... To see if we see any squiggly things?
Sure.
Okay, so we got a slide here, a sterile slide, a microscope, and a sterile pipette.
We'll suck out some of the juices.
That's it.
I'm gonna be honest, I've never used a microscope for biological stuff before.
This is... I'm basing everything I've seen on TV.
Put a little juice in between.
We just have to squish another slide.
And now we slide it into the microscope.
We got some oil there.
Okay, obviously gotta focus.
Oh, oh, oh, oh!
We got some little pieces of corn there.
I mean, no I don't see anything.
So what you're telling me is we're good?
Mm, one second.
Just let me search something.
Okay, so the problem is apparently without staining them, they're completely transparent and we can't see them.
- What? - Hahahaha!
So they could be there, we just can't see it?
Yes.
- Okay, well, what you can't see... - Can't hurt you.
Exactly.
So uh, this should be totally safe to eat.
You gotta try it.
- You gotta try it. - Dude. I, I'm okay.
I'm full. I had a big lunch.
Yeah, me too. Me too.
Damn, if only we weren't both full, we would have tried this.
Yep.
Yeah, yeah, it would have been delicious.
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