> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Why Your Grandma Is an Evolutionary Mystery
- URL: https://www.cascadepbs.org/show/its-okay-be-smart/episode/why-your-grandma-is-an-evolutionary-mystery-owhj5y/
- Published: 2025-03-25T15:45:51.000Z
- Updated: 2025-08-20T09:56:03.000Z
- Description: This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
- Author: Cascade PBS Staff
- Tags: Be Smart, Season 13, Episode 2, #ZZZ_Episode_0e52bb42-9f30-47fd-8d01-d47282340be7, #episode, #ZZZ_Show_dc38a6e9-266e-43c1-b647-45e7445fad27, #v1.16

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 quirky side effect of living long lives?