Biologically, there’s no reason for humans to remain alive past 40. By then they should have born offspring and ensured that those offspring survive to maturity. Anything after that is a big added bonus. Perhaps evidence that intelligence does have its survival benefits.
Biologically, there’s no reason for humans to remain alive past 40. By then they should have born offspring and ensured that those offspring survive to maturity. Anything after that is a big added bonus. Perhaps evidence that intelligence does have its survival benefits.