Monday Punday #12 - 3 MONTHVERSARY/ CELEBRATION OF MATURITY EDITION

For my twelfth Punday, allow me to bring you this Celebration of Maturity!

Monday Punday #11

You know the deal...

This week's hint: something you would do often in a bio lab.

Monday Punday #10 TRIUMPHANT RETURN

MDPD returns from a 2-week, I-kept-forgetting-to-post-because-of-nighttime-Genetics-review-session hiatus! Post answers in the comments, here or on Facebook.

Hint: common lab activity.