All Images
EVENT: Live from Antarctica - The Story of Ice
 (4)_fb0d4be5-19fc-42c5-b8ca-4d9aaee1b758.png)
Ed Brook operates a saw, slicing an ice core into smaller pieces.
Credit: COLDEX
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.
