Stuff you'd heard once and assumed was true

[Crusoe]

Ahhh. I thought the implication was canned tuna wasn't cooked.

[MsD]

What? How can they do that?

[WOM]

Do what?

[ursus arctos]

Brown cows give chocolate-flavoured milk.

I'm quite sure that treibeis will be chuffed to know that seven percent of US adults agree with that one.

[Toby Gymshorts]

Here's the thing: I laboured under the misapprehension that they cooked the tuna before canning it. WOM, as always was my guiding light* in such matters, educating me in the ways of cooking after canning.

*Not shirts, though. Never shirts.

[Patrick Thistle]

I was once asked if chickens were plucked before or after they were killed.

[Jorge Porbillas]

The ice cream van plays a tune when it's run out of ice cream

[ursus arctos]

That would seem to be counter-intuitive.

Would make more sense if the story was that they were about to run out of ice cream

[Patrick Thistle]

I know parents who've told that to their kids so they don't have to buy them an ice cream.

[HORN]

My mother warned my sister and I about the dangers of trying to drink falling rainwater. We passed this information into our friends.

"A slug will fall into your mouth".

[Jorge Porbillas]

That would seem to be counter-intuitive.

Would make more sense if the story was that they were about to run out of ice cream

Yes, as Partick points out, it was a ruse by my dad when we didn't have any money for an ice cream!