Well, someone had to post the creepiest Lunch Break of all time, so...

Via the Guardian, which captions: "A copperhead snake, decapitated in Huntsville, Alabama, manages to bite its own body after its head has been severed. The venomous reptile's severed head appears to attack out of instinct, while the body writhes around in reaction. Many snakes have reflexes for hours following their death."