Blueland is offering up to 20% off sitewide, plus 30% off subscriptions during its Earth Day Sale. You can find select items ...

A version of this story appears in the May 2025 issue of National Geographic magazine.

SAVE 38%: As of April 18, you can get the Renpho Eyeris 2 eye massager for just $49.99, down from $79.99, at Amazon. That's a ...