Speaking of expiration dates, did you know that for GLP (Good Lab Practices), EVERYTHING has to have an expiration date? Sure, that makes sense for solutions, but certain pure chemicals just don’t ever go bad.

Sterile water? You know, ‘Sterile’ is an absolute, right? Pasteur disproved Spontaneous Generation of microorganisms in the 19th Century. And even if some evaporates, it’s not like it’s gonna change the concentration!