How was Cow milk discovered?!
Who first thought up how to obtain milk from cows....or thought that there would be something in there?
Answers:
:D Hahaha...ew.
That question can't be answered. Humans have been taking milk from animals since before written records.
It's obvious milk is in there. All you have to do is watch a baby nurse it's momma to see the milk.
Some lil' kid probably was petting the cow and then discovered the udder....leading to a revolution of milk
I honestly don't know.
Some human was just curious enough to wonder why the calf kept going back for more.