Cheating?
Is it Essential?
https://www.livescience.com/animals/the-animal-kingdom-is-full-of-cheats-and-it-could-be-a-driving-force-in-evolution?utm_term=B77E4C33-0C96-4AD6-A785-7C144DCCD548&utm_campaign=368B3745-DDE0-4A69-A2E8-62503D85375D&utm_medium=email&utm_content=23776B9D-6AFE-4668-897E-8CF207228C46&utm_source=SmartBrief
