MY dad's a hematologist and when he used to do clinic in the town where we lived he kept the blood in the fridge till he went back the hospital where he worked.
I was told by the young lad on my avatar that cat food should be served at the 'just killed' temperature. I found a catnip mouse in the fridge once - never solved that mystery but I have two suspects.
I put my car keys in the fridge overnight, on top of my sandwiches to take to work next day, means I can never forget my lunch 'cos I have to get the car keys.
My sister used to buy Mars bars & put them in the fridge too. When she got them out, she sliced them into little bite size pieces & handed them around. They seemed to taste so much better, now we both do the same - not very often though, one must watch one's cholesterol! ;o}
eye drops, and eye wipes, germinating seeds at times, catfood covered microwaved to just warm at feeding time ), vodka in the freezer, antibiotic ointment, but all the odd stuff is in the drinks fridge not the food fridge and all theedrinks are in bottles and cans so safer