NASA unveils 'food bars' to feed astronauts on long space journeys

Your average granola bar simply won't cut it for a Mars-bound astronaut.
NASA food scientists are in the process of developing a new "food bar" (that's seriously what they call it) that astronauts will be able to eat for breakfast every morning while on missions to deep space destinations like Mars or the moon. 
At the moment, NASA astronauts have a variety of good tasting — but mostly questionable looking — options for breakfast and other meals on the International Space Statio