My uncle was a med lab tech in the hospital. They still had “no mouth pipetting” signs up in the late 90s.

Organisms need some oxidizing agent to respire. We use oxygen because it’s very highly reactive and thanks to photosynthesis is goddamn everywhere.

When avoirdupois pounds and pounds-force are used together I’m pretty sure it’s more common to use ‘lb’ for avoirdupois pounds and ‘lbf’ for pounds-force.

Maximum is 100 °F and minimum is 95 °F. Those seem pretty arbitrary to me

beef…

“Had to hand-lower it in to prevent splashback. WorkSafe you know”

good ol’ nominal typing

Pipetting liquid glowstone

In cases of cellular stress p53 is activated via phosphorylation. It will then direct the cell to pause its division and to either undergo DNA repair or kill itself. p53 is one of the body’s most important defences against cancer. Mutations causing p53 dysfunction are found in more than half of cancer cases.