Sure, you could sneak glances at your phone, or write reminders on your hand or, if you're really committed, enter a trove of information into your graphing calculator. All of those options pale in comparison to the purest and safest method to cheat on a test: a tortoise.
Nebraska biology student Sam Tighe tweeted that a tortoise with a handful of answers to multiple choice questions taped onto it is the only reason he's passing his class.