An official website of the United States government.
Official websites use.gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

A Water Drop’s Bedtime Story2cut2

A water droplet encounters Alvin, a deep-ocean research submersible, illustrated by Luke Wells for "A Water Drop's Bedtime Story."

A water droplet encounters Alvin, a deep-ocean research submersible, illustrated by Luke Wells for “A Water Drop’s Bedtime Story.”