NEWSMarch for Science rallies from around the worldMarchers carry a banner at the head of the March for Science in Washington, D.C.Jasper Colt, USA TODAYAlexa Sisk and Raha Hakimdavar laugh after taking a selfie with a marcher dressed as Beaker, the scientist Muppet, at the March for Science in downtown Washington.Jasper Colt, USA TODAYPeople head to a rally including a "lab in a lab coat" named Rodger and his owner Cate Tambeaux, holding the leash, at the March for Science at Cal Anderson Park in Seattle, Washington.Karen Ducey, Getty ImagesActivists march to City Hall during the March for Science in Los Angeles.Mark Ralston, AFP/Getty ImagesProtestors wear tights with portraits of scientists Neil deGrassse Tyson, left, and Bill Nye, right, as they joined demonstrators at the March for Science rally in downtown Los Angeles.Mike Nelson, European Pressphoto AgencyPeople carry signs and posters during a March for Science rally in Denver.David Zalubowski, APParticipants hold signs during the March for Science on Earth Day in Houston.Yi-Chin Lee, Houston Chronicle, Via APA group in downtown Fort Myers, Fla. yells during the March for Science rally, "What do we want? Science! When do we want it? After peer review!"Amanda Inscore, The News-Press, Via USA TODAY NetworkA young man dressed as an astronaut rides an electric skateboard at the head of the March for Science in Washington.Jasper Colt, USA TODAYCoryn Cannon joins thousands of people gathering together at the Historic Capitol building downtown Tallahassee, Fla.for the March for Science, part of a world-wide demonstration on Earth Day to promote the idea of scientific study and its relevance in society.Joe Rondone, Tallahassee Democrat, Via USA TODAY NetworkGreg Short, right, joins thousands of people gathering together at the Historic Capitol building downtown Tallahassee, Fla. for the March for Science.Joe Rondone, Tallahassee Democrat, Via USA TODAY NetworkThousands gather on Fountain Square in downtown Cincinnati to March for Science.Meg Vogel, The Enquirer, Via USA TODAY NetwStephanie Woodend, left, a PHD student in Medical Geography at the University of Ottawa and Abby Dalton, a masters student in Geography at the University of Ottawa, participate in the March for Science on Parliament Hill in Ottawa, Canada.Justin Tang, The Canadian Press, Via APParticipants in a March for Science walk from the University of Mississippi to the Square in Oxford, Miss.Bruce Newman, The Oxford Eagle, Via AP"We're out here to support publicly funded science and evidence-based policy," said Harbor Branch lab assistant Richard Mulroy of Jensen Beach before leading a march of more than two hundred people during the Treasure Coast March for Science along Seaway Drive in Fort Pierce, Fla.Jeremiah Wilson, Treasure Coast News, Via USA TODAY NetworkPeople stand together holding placards during the March for Science day at Martin Place in Sydney, Australia.David Moir, European Pressphoto AgencyPeople gather for a March for Science in New York.Justin Lane, European Pressphoto AgencyPeople hold signs in front of a Trump Hotel during a March for Science in New York.Justin Lane, European Pressphoto AgencyPeople participate in the March for Science in downtown Cincinnati.Meg Vogel, The Enquirer, Via USA TODAY NetworkDemonstrators gather for the March for Science at Pershing Square in Los Angeles.Chuck Kirman, Ventura County Star, Via USA TODAY NetworkBill Nye takes a selfie with a fan backstage at the March for Science Washington, D.C.Jasper Colt, USA TODAYPeople gather on the National Mall for the March for Science in Washington, D.C.Jasper Colt, USA TODAYMusician Jon Batiste plays ath the March for Science rally in Washington, D.C.Jasper Colt, USA TODAYDemonstrators carry placards as they participate in the March for Sciences in Amsterdam.Robin Utrecht, AFP/Getty ImagesMembers of the Union for Concerned Scientists pose for photographs with Muppet character Beaker in front of The White House before heading to the National Mall for the March for Science rally in Washington, D.C.Jessica Kourkounis, Getty ImagesChildren learn about starches from Brian Werner at a teach-in for the March for Science in Washington, D.C.Jasper Colt, USA TODAYParticipants gather prior to the start of the March for Science in London on April 22, 2017. 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.Daniel Leal-Olivas, AFP/Getty ImagesScientists and science enthusiasts gather prior to the start of the March for Science in London.Daniel Leal-Olivas, AFP/Getty ImagesA woman holds a sign during the March for Science demonstration in Berlin, Germany.Sean Gallup, Getty ImagesNita Carson, a retired science teacher, waits for the Metro at the Dunn Loring-Merrifield station in Merrifield, Va. on her way to the National Mall in Washington, D.C. Carson traveled from her home in Oxford, GA, to attend the March For Science rally.Jasper Colt, USA TODAYPeople march in support of scientific research during the March for Science demonstration in Berlin, Germany.Sean Gallup, Getty ImagesPeople take part in the March for Science in Hamburg, northern Germany on April 22, 2107.Christophe Gateau, AFP/Getty ImagesPeople take part in the March for Science rally in Paris on April 22, 2017.Francois Guillot, AFP/Getty ImagesA woman participates in the March of Science in Vienna, Austria.Lisi Niesner, European Pressphoto AgencyDemonstrators pose while holding a placard as they participate in the March for Science in London.Daniel Leal-Olivas, AFP/Getty ImagesTwo women with posters attend with thousands of demonstrators the March for Science in Berlin.Markus Schreiber, APScientists and supporters attend a pre-rally at the American Association for the Advancement of Science building before heading to the National Mall for the March for Science on April 22, 2017 in Washington, D.C.Jessica Kourkounis, Getty Images