@CNN: “Think like a proton” and other witty signs from the March for Science https://t.co/11BbKxhJNa https://t.co/XyqGZxNFNf
"Think like a proton" and other witty signs from the March for Science https://t.co/11BbKxhJNa pic.twitter.com/XyqGZxNFNf
— CNN (@CNN) April 15, 2018