"Ahh, Thufur! I see they've installed your heartplug, now."

Scientists have installed holes in cows' stomachs in order to observe the di-...di...

*BLAHHHHHRCK*
*BLAHHHHHRCK*

...digestion of food. If you think this pic is disturbing, wait until you follow the link. Freaky trumps Science in the category battle on this one.