I learned that, after shaving the beard I've had since the beginning of the school year, I still have a chin. I kind of had a hunch it was there, but I couldn't remember what it looked like.
Today I learned that it's the 20th anniversary of the first Beavis and Butthead episode. (Today.) I also learned that almost all Chinese people are lactose intolerant.
I also learned that almost all Chinese people are lactose intolerant.
The ability to tolerate lactose after babyhood is actually a genetic mutation. Since China has never been a milk-drinking culture, the gene never evolved beyond it's original form in most of the population.