Think you're innovative? Here's your challenge!
You get 150 kg, delivered to the atmosphere of Mars - maximize the science. Go!

Details:
http://www.nasa.gov/solve/marsbalancechallenge/#.VB4BmhahqCM

Further info (note that this only requires a WRITTEN proposal):
https://www.innocentive.com/ar/challenge/9933607


Info on NASA citizen science innovation projects in general:
http://www.nasa.gov/solve/engage-in-challenges/#.VB4ERBahqCM