Knit to Improve Your Mood

Ruhee Dewji, a Canadian software developer who lives on her own, took up knitting in early spring at the encouragement of some friends. Before the pandemic, Ms. Dewji, 31, filled her spare time playing music in bands; she found playing on her own during lockdown just emphasized her loneliness. She finds knitting an uncomplicated joy…

How to Build a Geodesic Dome

You’re barreling toward cold, dark days filled with nothing to do, which means now is the perfect time to spend those hours building your own geodesic dome to hide — um, play — in. Adapted from Nomad Press’s “Amazing Math Projects You Can Build Yourself” by Lazlo C. Bardos, this dome is an elegant structure…

F.D.A. Clears Moderna’s Covid Vaccine

The Food and Drug Administration on Friday authorized the coronavirus vaccine made by Moderna for emergency use, allowing the shipment of millions more doses across the nation and intensifying the debate over who will be next in line to get inoculated. The move will make Moderna’s vaccine the second to reach the American public, after…