March for Science

Demonstrators campaign at the March for Science in Los Angeles, Calif. on April 14, 2018. Local scientists and supporters joined a global March for Science to fight back against what many see as an "assault on facts" by populist politicians. Mark Ralston, AFP/Getty Images

A demonstrator puts on earings before taking part in the March for Science in Washington, DC on April 14, 2018. Andrew Caballero-Reynolds, AFP/Getty Images

Students and scientists hold a "March for Science" demonstration in Frankfurt am Main, western Germany on April 14, 2018, Arne Dedert, DPA via AFP/Getty Images

A woman with her face painted takes part in a "March for Science" demonstration in Frankfurt am Main, western Germany on April 14, 2018. Arne Dedert, DPA via AFP/Getty Images

People take part in a "March for Science" demonstration in Cologne, western Germany on April 14, 2018. Marius Becker, DPA via AFP/Getty Images

Stephen Baldassari, 30, left, and Colin Jones, 29, stand near the stage at March For Science in Washington. They see the march as part of a larger movement of advocacy and protect for social issues in the last year. Ryan Miller, USA TODAY

A boy holds up a banner which reads "There is no plan B" during a "March for Science" demonstration in Frankfurt am Main, western Germany on April 14, 2018. Arne Dedert, DPA via AFP/Getty Images

Children take part in an experiment called "Elephant Lips" during the March for Science in Durban on April 14, 2018. Organized by by the University of KwaZulu-Natal, the South African Medical Research Council, the South African Medical Students Association, the Centre for the AIDS Program of South Africa, and Global Laboratories hundreds of people joined a global March for Science. Rajesh Jantilal, AFP/Getty Images

Professor Salim Abdool Karim, a South African epidemiologist and infectious diseases specialist, and one of the conveners of the march leads people during the 'March for Science' in Durban on April 14, 2018. Rajesh Jantilal, AFP/Getty Images

Demonstrators during the 'March for Science' at Theater Square, in Dresden, Germany on April 14, 2018. People across the globe are taking part in the March for Science to recognize scientific progress, raise awareness of scientific discovery, and defend scientific integrity. Filip Singer, EPA-EFE

Demonstrators during the 'March for Science' at Theater Square, in Dresden, Germany on April 14, 2018. People across the globe are taking part in the March for Science to recognize scientific progress, raise awareness of scientific discovery, and defend scientific integrity. Filip Singer, EPA-EFE

A demonstrator during the 'March for Science' at Theater Square in Dresden, Germany on April 14, 2018. People across the globe are taking part in the March for Science to recognize scientific progress, raise awareness of scientific discovery, and defend scientific integrity. Filip Singer, EPA-EFE