- From the Editor
A Matter of Time
Strongest Evidence Yet Shows Air Pollution Kills
Experimental Blood Test Detects Cancer up to Four Years before Symptoms Appear
The Dentist Will See You Now: But Will You See the Dentist?
Babies' Mysterious Resilience to Coronavirus Intrigues Scientists
Trash-Collecting Researchers Find Dietary Patterns in Discarded Hair Clippings
Second Coronavirus Strain May Be More Infectious--but Some Scientists Are Skeptical
Concerns about Waning COVID-19 Immunity Are Likely Overblown
Coronavirus Is Attacking the Navajo 'because We Have Built the Perfect Human for It to Invade'
What AIDS Taught Us about Dealing with COVID-19
Health Care Is Long Overdue for a Social Justice Reckoning
Why Young Americans Are Lonely