When I was young everyone knew or had seen Mexican jumping beans. They were seed pods that had been occupied by the larva of a little moth. The bean would begin to jump as the bean was heated, because the larva would spasm in response to the heat, attempting to move the bean to a cooler place to avoid dehydration and possible death. Just holding the seeds or beans in your hand would cause them to heat up and jump.
One day I brought some to school and put them in our teacher’s drawer. As she came in she told me to “sit down…Now!” I told her I was looking for my snake. Needless to say when the beans jumped in the drawer…. Continue reading Mexican Jumping Beans – Turning Up The Heat