How do you teach a cockroach? You present it with two odors, vanilla and peppermint. … To begin training, you give the roaches sugar water with the peppermint smell and saline solution with the vanilla smell. Over time, they come to prefer the peppermint smell because basically they associate a soda reward with mint.

Can cockroaches remember you?

They found that when they later exposed the cockroaches to the odor alone, they still drooled. … “Sure, cockroaches can remember and learn,” Mizunami said.

What is the IQ of a cockroach?

Cockroach’s IQ will up to 340 in a second when they meet danger. But when most people meet cockroach, they are so frightened that their IQ will become less than 5.