Here are the best signs from the March for Science

Over 500 cities around the world hosted a March for Science on Saturday with thousands of scientists and people from other walks of life taking their science positive message to the streets.

As with most rallies these days, however, the signs are ultimately stealing the show -- and as you'd imagine, Science March signs are uniquely clever, academic and of course nerdy.

Take a look at the best signs grabbing attention online below:

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Best March for Science signs
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Best March for Science signs
Demonstrators march down Commonwealth Avenue from Massachusetts Institute of Technology (MIT) to the March for Science rally on the Common in Boston, Massachusetts, U.S., April 22, 2017. REUTERS/Brian Snyder
A protestor holds a sign in support of science during the March For Science in Seattle, Washington, U.S. April 22, 2017. REUTERS/David Ryder TPX IMAGES OF THE DAY
Demonstrators gather for the March for Science rally on the Common in Boston, Massachusetts, U.S., April 22, 2017. REUTERS/Brian Snyder
Protesters hold placards and banners as they participate in the March for Science rally on Earth Day, in central Sydney, Australia April 22, 2017. REUTERS/David Gray
A demonstrator holds a sign during the March for Science rally on Earth Day at Parliament Hill in Ottawa, Ontario, Canada, on Saturday, April 22, 2017. The March for Science is a nonpartisan rally bringing together scientists, science supporters, teachers and parents, along with politicians with an aim to advocate the role of science in education and informing evidence-based policies within the public interest. Photographer: David Kawai/Bloomberg via Getty Images
Demonstrators hold signs during the March for Science rally on Earth Day at Parliament Hill in Ottawa, Ontario, Canada, on Saturday, April 22, 2017. The March for Science is a nonpartisan rally bringing together scientists, science supporters, teachers and parents, along with politicians with an aim to advocate the role of science in education and informing evidence-based policies within the public interest. Photographer: David Kawai/Bloomberg via Getty Images
Demonstrators hold signs during the March for Science rally on Earth Day at Parliament Hill in Ottawa, Ontario, Canada, on Saturday, April 22, 2017. The March for Science is a nonpartisan rally bringing together scientists, science supporters, teachers and parents, along with politicians with an aim to advocate the role of science in education and informing evidence-based policies within the public interest. Photographer: David Kawai/Bloomberg via Getty Images
MIDTOWN, NEW YORK, UNITED STATES - 2017/04/22: Several thousand demonstrators rallied on Central Park West near Trump International Hotel before marching on Broadway for New York City's March for Science. The NYC march and others being held simultaneously nationwide were organized as companion events to the March for Science in Washington, D.C. as a protest of the Trump administration's environmental and educational agendas. (Photo by Albin Lohr-Jones/Pacific Press/LightRocket via Getty Images)
Protestors are seen at a rally at the Boston Commons during for the March for Science on April 22, 2017 in Boston, Massachusetts. Thousands of people joined a global March for Science on Saturday with Washington the epicenter of a movement to fight back against what many see as an 'assault on facts' by populist politicians. / AFP PHOTO / Ryan McBride (Photo credit should read RYAN MCBRIDE/AFP/Getty Images)
Thousands of people march though Central London, UK, on Earth Day on 22 April 2017 to protest against what they see as a threat to experts, evidence and investment in science. Protesters assembled at the Science Museum and marched to Parliament Square. The march, a worldwide event, supports science and evidence-based research and was organized in opposition to Donald Trump's environmental and energy policies. (Photo by Jay Shaw Baker/NurPhoto via Getty Images)
WASHINGTON, DC - APRIL 22: Scientists and supporters participate in a March for Science on April 22, 2017 in Washington, DC. The event is being described as a call to support and safeguard the scientific community. (Photo by Jessica Kourkounis/Getty Images)
WASHINGTON, DC - APRIL 22: Scientists and supporters participate in a March for Science on April 22, 2017 in Washington, DC. The event is being described as a call to support and safeguard the scientific community. (Photo by Jessica Kourkounis/Getty Images)
Thousands of people march though Central London, UK, on Earth Day on 22 April 2017 to protest against what they see as a threat to experts, evidence and investment in science. Protesters assembled at the Science Museum and marched to Parliament Square. The march, a worldwide event, supports science and evidence-based research and was organized in opposition to Donald Trump's environmental and energy policies. (Photo by Jay Shaw Baker/NurPhoto via Getty Images)
Thousands of people march though Central London, UK, on Earth Day on 22 April 2017 to protest against what they see as a threat to experts, evidence and investment in science. Protesters assembled at the Science Museum and marched to Parliament Square. The march, a worldwide event, supports science and evidence-based research and was organized in opposition to Donald Trump's environmental and energy policies. (Photo by Jay Shaw Baker/NurPhoto via Getty Images)
BOSTON, MA - APRIL 22: A man holds up a sign at the Science March on the Boston Common on April 22, 2017 in Boston, Massachusetts. The event is being described as a call to support and safeguard the scientific community. (Photo by Scott Eisen/Getty Images)
BOSTON, MA - APRIL 22: A woman holds up a sign at the Science March on the Boston Common on April 22, 2017 in Boston, Massachusetts. The event is being described as a call to support and safeguard the scientific community. (Photo by Scott Eisen/Getty Images)
BOSTON, MA - APRIL 22: A group of marchers participating in the March For Science head from the Massachusetts General Hospital toward the Boston Common in Boston on Apr. 22, 2017. (Photo by Jonathan Wiggs/The Boston Globe via Getty Images)
A man attending the 'March for Science' holds banners reading 'science isn't silence' and 'feed your brain' in Berlin, Germany on April 22, 2017. Thousands of people rallied and rally today in more than 500 marches all over the world to remark the importance of science and the role of scientifically verifiable facts and results for freedom and democracy against the rise of 'alternative facts'. (Photo by Emmanuele Contini/NurPhoto via Getty Images)
Protesters hold banners during the March for Science in Paris, France, on 22 April 2017.. Scientists, science enthusiasts, and concerned citizens come together to make themselves heard. (Photo by Emeric Fohlen/NurPhoto via Getty Images)
Thousands participate in the National March for Science in Rome, Italy on Earth Day, April 22, 2017. People all over the world are participating in 'March for Science' demonstrations to protest against the statements and polices of the administration of U.S. President Donald Trump that deride scientific research deemed inconvenient for Trump's political agenda. (Photo by Jacopo Landi/NurPhoto via Getty Images)
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