Mark Obrien

What do you think about this week's molecule?

Discussion created by Mark Obrien on Jan 5, 2012
Latest reply on Jan 12, 2012 by Denise Martin

The Molecule of the Week (MOTW) has gone social.  Use this thread to ask questions, make suggestions, share facts/resources/links related to each week’s molecule.  Do you have a question or suggestion for a new MOTW?  If so, post them here too.