http://aerogrammestudio.com/2013/05/17/ ... july-2013/
My favorite is this one:
NASA is seeking haiku poems
to send to Mars aboard its MAVEN orbiter. According to NASA ‘Everybody on planet Earth is welcome to participate!’ You do have to be 18 years old to create a log-in email profile, and children are encouraged to ask parents and teachers for help. All haiku must be in English. The submission deadline is July 1.