SN Online SN Online Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News March 20, 2013 at 10:32 pm ATOM & COSMOS Curiosity finds minerals consistent with habitability. See “Life-friendly environment confirmed on Mars.” JPL-Caltech/NASA BODY & BRAIN Scientists meld rat minds in “Rats do tasks while connected brain-to-brain.” CULTURE BEAKER See Rachel Ehrenberg’s column on website comments, “Trolls bad news for scientific discourse.” ON THE SCENE BLOG Kids build plasma guns and more in “Intel Science Talent Search finalists show off their work.”