A Google-a-Day Puzzle for August 24

Geek Culture Internet

Our good friends at Google run a daily puzzle challenge and asked us to help get them out to the geeky masses. Each day’s puzzle will task your googling skills a little more, leading you to Google mastery. Each morning at 12:01 a.m. Eastern time you’ll see a new puzzle, and the previous day’s answer (in invisitext) posted here.

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We leave the comments on so people can work together to find the answer. As such, if you want to figure it out all by yourself, DON’T READ THE COMMENTS!

Also, with the knowledge that because others may publish their answers before you do, if you want to be able to search for information without accidentally seeing the answer somewhere, you can use the Google-a-Day site’s search tool, which will automatically filter out published answers, to give you a spoiler-free experience.

And now, without further ado, we give you…


In physics, what term describes the opposite of the reaction in which a particle and its antiparticle collide?

YESTERDAY’S ANSWER (mouseover to see):

Search [bird-hipped dinosaurs list] to find that triceratops and stegosaurus are bird-hipped (ornithischian) dinosaurs, so the allosaurus doesn’t belong. Allosaurus is one of the “lizard-hipped” (saurischian) dinosaurs, which are distinguished from the ornithischians by the fact of retaining the hip bone configuration of their ancestors.

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