The guy who “invented” the children’s ball pit got the idea after observing pickled onions floating in a jar, and imagining what it would be like to crawl through them. He also had THE. BEST. WEED.

• Inventor, Walter Diemer, made bubble pink because it was the only available color of food coloring.
• Recent 3-D modeling reveals that the Milky Way galaxy exhibits a twisted, Pringle-like shape at its edges.
• Only four Americans have reached the presidency directly from the position of vice president: John Adams, Thomas Jefferson, Martin Van Buren, and George H. W. Bush.