use allen key

Photo credit: via Canva/Photos – A zipper, hard-boiled egg, and an Allen key.

Education, Learning, Popular

Chill dude shares life-changing hacks he didn’t learn until his 30s. Here are 11 of the best.

Tod Perry

12/22/2025
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