First of all, thank you for com­ing to enjoy our 50 brain teasers…the reac­tion was over­whelm­ing. We will pre­pare more! Sec­ond, quick links to excel­lent health-relat­ed blog carnivals: Grand Rounds: the most com­pre­hen­sive one Health Wonk Review: focused on pub­lic policy Change of Shift: nurs­ing-ori­ent­ed Med­i­cine 2.0: on how web 2.0 inter­acts with the med­ical field Third, here…