NASA: "Optimization of Root Zone Substrates"

I looked up ORZS from the cargo manifest for STS122. It seems another HYDRO IN SPACE! experiment is going up.

LED's shall light the way?

LED grow lights offer several advantages over conventional lighting. Here are some interesting links on the subject:

http://www.greenpinelane.com/default.aspx

http://www.plasmaled.com/