The AP Biology students kicked off the Animal Diversity Unit with this sentence, "cephalization is the concentration of sensory organs in the anterior end of the animal". Yeah, I went there. We also checked out how those sensory organs work in a variety of animals like dogs and octopi.
The Chemistry students, while working within the framework of the Gas Unit discovered that, yes, people that make a big deal about laying on a bed of nails are complete jerks. How about this? Lie on a bed made of one nail, survive, and then pop off about it. Pressure can be interesting and entertaining, can't it?