SN Online SN Online Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News May 18, 2012 at 12:57 pm HUMANS Learn what confidence means for group decision-making strategies in “Two heads sometimes better than one.” S. Osaki/Phys. Rev. Lett. 2012 MATTER & ENERGY A structural change in spider silk (below) makes it strong enough to string a violin. Read “Scientist fiddles with spider silk.” BODY & BRAIN A physician describes controversial anatomical evidence for a fabled female erogenous zone. See “Pinpointing the G-spot, or not.” New drugs tone down production of an immune protein to fight a skin disease. Read “Psoriasis drugs show promise.”