Hope this does not offend, but I thought it amusing. Humor can be very different for people and so I tread with caution. As always, there is some word play and hence my smile. Email humor.
Don’t LOOK at anything in a physics lab.
Don’t TASTE anything in a chemistry lab.
Don’t SMELL anything in a biology lab.
Don’t TOUCH anything in a medical lab.
and, most importantly,
Don’t LISTEN to anything in a philosophy department.