What we're reading: why your brain is addicted to Facebook

1.) The brain hard-wires us to love Google, Twitter, and texting.

2.) The U.S. government wants to use magnesium in vehicles.

3.) The cleantech industry is heading into 2011 with considerable momentum.

4.) Global population growth means lots of business opportunity in resource management.

5.) It's time to spike the current approach to cars and start fresh, Tim Stevens writes.