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: