So, about a year ago, a reader named Elizabeth sent me an email sharing something with me. A new kitten she had adopted, that she named… Selkie!

I mention this because… guess who turned one year old last Friday?

Happy Birthday, Selkie!

↓ Transcript
The powerhouse of the cell is
A: Ritalin
B: Mitochondria
C: The Cosmic Radiation Occupying the Eternal and Terrifying Void of Outer Space
D: Your mother