- Masks, ventilation stop COVID spread better than social distancing, study shows: The results indicate masks and proper ventilation may be key to allowing more capacity in schools, businesses and other indoor areas — ScienceDaily
- Born to Be Lazy? What Bears Can Teach Us About Our Exercise Habits – The New York Times
- A Novel Effort to See How Poverty Affects Young Brains – The New York Times
- AstraZeneca Vaccine and Blood Clots: What Is Known So Far – The New York Times
- Covid-19: Debunking the latest wave of medical misinformation – BBC News
散步:downtown Everett
- Fully Vaccinated Americans Can Travel With Low Risk, C.D.C. Says – The New York Times
- What You Need to Know About Your Covid-19 Vaccine Card – The New York Times
- Car Maintenance During the Pandemic – The New York Times
- How to Age Well – Well Guides – The New York Times
- Covid-19 Vaccine Passports Are Coming. What Will That Mean? | WIRED