Cockroaches have a memory and can be taught to salivate in response to neutral stimuli in the way that Pavlov's dogs would do when the famed Russian doctor rang his bell, Japanese researchers found.

The owner assured me that these dogs, Pomeranians, were bred to pull sleds. I held my comments. She is a friend, and we are dogsitting, and my snide remarks are best kept to myself, because I am a ...