National Geographic News

Monday, October 28, 2024

Fascinating "Here’s why elephants have all those wrinkles in their trunks : NPR

https://www.npr.org/2024/10/11/nx-s1-5140599/elephant-trunk-wrinkles-brain-stem 


"couple months into development, the fetal trunk has about four wrinkles — at which point there's sudden exponential growth.

"Every 20 days, the number of wrinkles doubles," he says.."