The March for Science drew tens of thousands of scientists and science supporters to US and international cities on Saturday. In San Jose, California, the heart of Silicon Valley, the march began near City Hall.
A quote from astrophysicist and Cosmos TV show host Neil DeGrasse Tyson was popular on signs and T-shirts: "The good thing about science is that it is true whether or not you believe in it."
"Tribology not tribalism," one marcher's sign read. Tribology is "the study of friction, wear, lubrication, and the design of bearings," according to Wikipedia.
Computer science humor deals with the tricky problem of concurrency, in which a computer manages several related tasks simultaneously: "Who are we? Computer scientists! What do we want? Now! When do we want it? Concurrency!"
A mathematical joke: the square root of negative one is denoted as i -- the basis for imaginary numbers. In other words, "Alternative facts are imaginary."
"God wants scientists. If we entertain the 'God hypotheses' we must examine all His evidence." The back of this sign said, "He left all those clues to find."
The March for Science took place during Silicon Valley Comic Con, so there was some mixing of cultures at the end. Here's a male version of comic book character Harley Quinn.
Hear what Bill Nye has to say about climate-change deniers in his interview with CNET. He stopped by to promote the launch of his new Netflix show, "Bill Nye Saves the World." (See video below.)
