NEWSMarch for Science signs from around the worldMarchers carry an American flag sign for the March for Science in Washington.Jasper Colt, USA TODAYPeople hold signs during the March for Science in downtown Cincinnati.Meg Vogel, The Enquirer, Via USA TODAY NetworkA woman carries a homemade sign for the March for Science in Washington.Jasper Colt, USA TODAYA man displays his homemade sign for the March for Science in Washington.Jasper Colt, USA TODAYA marcher carries a Dr. Seuss sign for the March for Science in Washington.Jasper Colt, USA TODAYA woman carries a homemade sign for the March for Science in Washington.Jasper Colt, USA TODAYMarchers pose with a homemade sign for the March for Science in Washington.Jasper Colt, USA TODAYPeople begin the March for Science from Fountain Square to the Public Library to City Hall in downtown Cincinnati.Meg Vogel, The Enquirer, Via USA TODAY NetworkA participant holds a sign in Fountain Square in downtown Cincinnati to March for Science.Meg Vogel, The Enquirer, Via USA TODAY NetworkThousands of people gather on the National Mall for the rally before the March for Science in Washington, D.C.Jessica Kourkounis, Getty ImagesRyan Powers and Shelby Zemken hold signs during the March for Science rally in Washington, D.C.Jasper Colt, USA TODAYProtesters carry placards during a March for Science in Denver.David Zalubowski, APStephanie 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 APEric Weber of Denver joins other protesters during a March for Science.David Zalubowski, APA participant in the March for Science holds a sign on the National Mall in Washington, D.C.Jim Lo Scalzo, European Pressphoto AgencyThousands participate in the March for Science in downtown Cincinnati.Meg Vogel, The Enquirer, Via USA TODAY NetworkA demonstrator holds a sign in the March for Science in downtown Cincinnati.Meg Vogel, The Enquirer, Via USA TODAY NetworkDavid Fink holds a sign as he 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 TOAbby Dilk of Vienna, Va., rides the Metro on her way to the March For Science in Washington, D.C.Jasper Colt, USA TODAYPeople gather prior to the start of the March for Science in London.Daniel Leal-Olivas, AFP/Getty ImagesPeople with signs attend a rally before the march for Science in New York.Bryan R. Smith, AFP/Getty ImagesParticipants take part in the March for Science outside the Science Museum in London.Daniel Leal-Olivas, AFP/Getty ImagesAmy and Anthony Schienschang carry signs at the March for Science in Washington.Jasper Colt, USA TODAYPeople rally prior to the start of the March for Science in London.Daniel Leal-Olivas, AFP/Getty ImagesAniela, 7, joins the March for Science demonstration in Berlin, Germany.Sean Gallup, Getty ImagesPeople take part in the March for Science in Paris.Francois Guillot, AFP/Getty ImagesA participant holds a sign during the March for Science at Theater Square in Dresden, Germany.Filip Singer, European Pressphoto AgencyA protestor holds a placard during the March for Science in London.Daniel Leal-Olivas, AFP/Getty ImagesPeople carry signs as they participate in the March for Sciences in Amsterdam.Robin Utrecht, AFP/Getty ImagesPeople attend the March for Science in Berlin.Markus Schreiber, APEvangelina Furton and Matt Lizzio, of Gaithersburg, Md., carry a sign on the National Mall for the March for Science in Washington.Jasper Colt, USA TODAYA demonstrator participates in the 'March for Science' in Dresden, Germany.Filip Singer, European Pressphoto AgencyA protester holds a sign during the March for Science in Dresden, Germany.FILIP SINGER, European Pressphoto Agency