News > The top side of an elephant’s trunk stretches more than the bottom

The top side of an elephant’s trunk stretches more than the bottom

19/07/2022 03:29 PM | Click to read full article

On a sunny day at Zoo Atlanta in 2020, Kelly the African bush elephant reached for a snack and revealed something strange.

High-speed cameras tracking her movements suggested that the skin on top of Kelly’s trunk stretched more than the skin underneath. “But that didn’t make any sense,” says Andrew Schulz, a mechanical engineer at Georgia Tech in Atlanta.