Got to Midway airport to find TSA line setting a record / 1 hr plus to clear ck -another DHS triumph! – at Chicago, IL

#CIRTL15 "Reaching students" is a very useful guide - it is distilled from the NRC DBER report. – at College Station, TX

Concept inventories are very helpful in judging student learning gains & guiding faculty. Many now exist. – at College Station, TX