Vice President Mike Pence claps as House Speaker Nancy Pelosi appears to rip a copy of President Trump's speech after he delivers the State of the Union address at the Capitol on Tuesday. Photo: Mandel Ngan/AFP via Getty Images
President Trump delivered his State of the Union address during what was an eventful night at the Capitol on Tuesday.
Details: From Trump appearing to snub House Speaker Nancy Pelosi's handshake before his address, to special guests appearances and Pelosi ripping up her copy of the president's speech at the end — here's how all the drama unfolded, in photos.
A group of 239 scientists in 32 countries is calling for the World Health Organization to revise its recommendations to account for airborne transmission as a significant factor in how the coronavirus spreads, the New York Times reports.
The big picture: The WHO has said the virus mainly spreads via large respiratory droplets that fall to the ground once they've been discharged in coughs and sneezes. But the scientists say evidence shows the virus can spread from smaller particles that linger in air indoors.