Arden: Ok, this manicure is going to require some explanation. You see, today is my boyfriend Biff's birthday. (Happy birthday, Biff!) To celebrate, I wanted to paint my nails with something to honor him. Biff is a geneticist who works with little bitty microscopic worms all day. Sometimes, he makes them glow green. This leads to awesome pictures, like these: I got this one put on a mug for Biff for his birthday last year. So, to honor Biff's work, today I am rocking green worm nails! My…