Have you Heard the One about the Scientist, the Monkeys, and the Banana? 9 This entry was posted in No Special Needs. Thinking Out Loud and tagged art current events down syndrome photography poetry politics science writing on July 11, 2013 by littlebirdsdad by A scientist conducted an experiment. 5 monkeys were locked in a cage. Hanging inside the cage was a banana and a ladder placed underneath the banana.