1.) Is there too much wind power in Texas for the national grid to handle?
2.) A “drastic” shortage of LEDs looms for 2010, one analyst says.
3.) The nation’s first net-zero energy public school is set to open this year in Kentucky.
4.) With 3D printing, ordering a prosthetic may soon be as easy as picking a shoe color.
5.) The real-life botanical inspiration behind the flora in the blockbuster film Avatar.