Date: January 11, 2014

"'Think about a fish tank,' says Dr. Nedergaard. 'If you have a tank and no filter, the fish will eventually die. So, how do the brain cells get rid of their waste? Where is their filter?'"

— Konnikova, Maria (b. 1984)

Date: February 18, 2017

"So we're stuck in Trump's head with him. ... It's a very cluttered place to be, a fine-tuned machine spewing a torrent of chaos, cruelty, confusion, farce and transfixing craziness."

— Dowd, Maureen (b. January 14, 1952)