I'm going to look at my pores beforehand under the microscope. Hey, girls and boys, how you doing? Everybody's looking great. Wow, we love that black hair on my nose. [gags] I sort of feel like it ...

When observed under a microscope, guard hairs from mice resemble optical sensors used in thermal cameras ... A series of anecdotal observations—such as the fact that cats seem to “stack” their bodies ...