A 4-y college degree is increasingly the key to good jobs and, ultimately, to good lives in an ever-more meritocratic and unequal society. The bachelor’s degree (BA) is increasingly dividing Americans ...

In a recent study posted to the medRxiv* preprint server, researchers compared the efficiency of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron BA.4-5 and BA.1 bivalent ...