Today is our 1st birthday! In celebration of a year of mental_floss on YouTube, John Green looks at some fascinating birthday traditions from around the world.
Don't miss an episode—subscribe here!
[Images and footage provided by Shutterstock.]
The Silver State produces 78 percent of America's gold, not to mention some seriously expensive magic shows.
Here's a fun science experiment you can do at home: Just grab some batteries, magnets, copper wire, and a few other items, and build your own miniature train. All aboard!