Signs, Signals and Codes merit badge lets Scouts try their hand at Morse code, ASL (American Sign Language, the third-most-used language in the U.S.), Braille, signaling, trail markings, and other nonverbal communications (Can you say emojis?).
Scouts may begin working on Signs, Signals and Codes MB immediately. Pamphlets are available in Scout Shops (or at scoutstuff.org) now.
You can read the requirements at Scouting Magazine's blog.