1.) How researchers are making cars more efficient: regenerative brakes, shock absorbers and heat recovery.
2.) Does Facebook really deserve the criticism lobbed at it by Greenpeace?
3.) Is it ethical to genetically-engineer farm animals not to feel pain?
4.) Inspiration, shminspiration: Dodge threatens to sue a Florida high school after it pilfers its iconic Ram logo.
5.) Japan plans to ignore any international bans on the endangered Atlantic bluefin tuna.
This post was originally published on Smartplanet.com