Coffee as a staining agent substitute in electron microscopy

You just know how they found out about this...

> "I got the idea of using espresso as a staining agent from the circular dried stains in used coffee cups,"

Suuure...

Calling it now: this is ignobel prize-worthy research. If it doesn’t get a nod I’ll eat my hat.

Make sure to leave out the hazelnut syrup.

Finally, something Starbucks is good for!

ZING!

Next up: "Coffee in Austria recalled due to high concentrations of heavy metals"

One does not simply ... ordinary espresso.