1.) Why is the world's bee population still dying?
2.) Infected with deadly parasites? Use this fluorescent dye to find out.
3.) GE is bringing smart grid technology -- for electricity, gas, water and heat -- to Erding, Germany.
4.) The U.S. State Department says unmanned drone counterstrikes are legal under the laws of war.
5.) The designers of the New Museum in New York, Sanaa of Japan, win the Pritzker Prize for architecture.
This post was originally published on Smartplanet.com