Bill Nye's sundial hitches a ride to Mars

Related: None

1. More US news
   1. Beryl soaks Fla., Ga; thousands lose power
   2. NYT: Unlikely frontier: Border Patrol eyes Northwest
   3. Dallas crane standoff ends as man falls to ground
   4. Analysis: John Edwards jury speaks with its silence
   5. Obama honors fallen troops on Memorial Day
2. More top stories
   1. UN in Syria: Victims of Houla attack were executed
   2. NYT: US winds down longer benefits for the unemployed
   3. Radioactive Fukushima tuna cross Pacific to US
   4. Report: At least 8 killed in Italian earthquake
   5. Britain's PM eats humble pie over snack tax
3. Related videos
   1. 
      Video
      Great-grandmother is tireless volunteer
   2. 
      Video
      College students are studying less
   3. 
      Video
      Nation marks Memorial Day
   4. 
      Video
      Wildfires scorch six states