Video Description

Special offer ONLY HERE 👉 https://www.cyberghostvpn.com/BeSmart ↓↓↓ More info and sources below ↓↓↓ This is one of the weirdest mysteries of human evolution: Why do we have grandmas? From menopause to our slow maturation and super-long lifespans, humans are quite unique in the animal kingdom. Could grandma be an evolutionary secret weapon? Or is she just a surprise side effect of living long lives? Thank you to @MamaDoctorJones Go check out her channel! References: https://sites.google.com/view/mystery-menopause-references/home ----------- High fives to all our Brain Trust Patrons: Olivia Ruiz Mike and Patty Loftis Ed Eyden Jennifer Burton Holly, Brett, and Ashe Bullion Jaap Westera Barbora Bei dani bowman David Johnston Baerbel Winkler Eric Meer Karen Haskell Chapters: 0:00 Intro: Humans are weird 0:45 Nature's strangest life cycles 2:25 The whole point of evolution 4:48 The mystery of grandmas (it's menopause) 6:02 Mama Doctor Jones explains the female reproductive system 8:55 Why do humans live so long after reproductive age? 10:46 The Grandmother Hypothesis 12:50 There's just one catch… and a NEW theory! 15:12 Putting it all together 17:00 A word from our sponsor SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Join us on Patreon! https://patreon.com/itsokaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Merch https://store.dftba.com/collections/its-okay-to-be-smar