The electron has been making headlines again lately.
This time a group of scientists have published a paper about its shape.
And if the headlines are true, it seems the electron is now the most "spherical object in the universe".
And how accurately has it been measured?
Well apparently if you enlarged the electron to the size of the solar system, the experts could measure its accuracy to withing a hair's breadth!?
All a bit baffling?
Here's Ed Copeland from Sixty Symbols trying to make sense of it.
And here's some extra interview footage from Test Tube.