Pushing That Crosswalk Button May Make You Feel Better, but... Some buttons, such as the door-close button on an elevator, are mere artifices — placebos that promote an illusion of control but in reality do not work. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:The Doctor's World: A Lieutenant in Eradicating Smallpox Remembers the GeneralTrilobites: Tardigrades Have the Right Stuff to Resist RadiationQ&A: Copper Doorknobs as Germ AssassinsIn Greek Warrior’s Grave, Rings of Power (and a Mirror and Combs)Trilobites: Ringing Up a New Species of CrabVOLCANO WARNING: Panic on Tenerife amid fears huge Mount Teide is about to BLOW