mount everewst

Photo credit: via Mário Simoes/Flickr – Sunrise on Mount Everest

Planet, Science

Sorry, Everest. Here’s why we can’t officially declare you the tallest mountain on Earth.

Tod Perry

10/8/2024
An Operation Smile volunteer reverses an oxygen mask so a child with a cleft condition can blow a bubble for the first time in Guadalajara, Mexico. (Operation Smile Photos)

In Partnership With Operation Smile →

Family, Science

How Bubbles Help Kids with Cleft Conditions

Sarah Watts

5/11/2026