***You might have seen this t-shirt design making the rounds on your facebook timeline.
It's from SNORGtees and you can buy it here for $19.95.
But that's not the only design they offer. I had to chuckle at the next two (click photos to go to store).
Yeah, a cation is a real thing. (For those who like to get their geek on, it's an ion with net positive charge, having more protons than electrons. In electrolysis, cations migrate to a negatively charged cathode.
But wait! there's MORE! Head on over and browse through their online shop to discover all their cat - and dog - and bunny! - designs.