Roger Federer said the word "retire" in an interview with ESPN after his win at the US Open, setting off panic in the tennis world. The tennis champ later clarified, following years of speculation about when he would retire: “It’s a total joke, yes.”
At last night's Billboard Music Awards, Shawn Mendes performed his song "Youth" with Khalid and 12 members of the Marjory Stoneman Douglas student choir. Wearing sweatshirts that said "youth," the performance honored the victims of Friday's school shooting in Santa Fe, TX.
Physicist and mathematician P.A.M Dirac, who helped found quantum electrodynamics, is known for the Dirac equation and his prediction of antiparticles. He won the 1933 Nobel Prize in Physics with Erwin Schrödinger.