Prenatal testing is changing who gets born and who doesn’t. This is just the beginning.
Concerns about blood clots with Johnson & Johnson underscore just how lucky Americans are to have the Pfizer and Moderna shots.
No, not COVID-19. Many, many viruses can infect humans without making us sick, and how they do that is one of biology’s deepest mysteries.
A perfect confluence of events created a stealth killer.
The way back from smell loss is its own strange experience.
A whale’s blubber is a feast for sharks, a natural end to—in this case—an unnatural death.
Tracking the coronavirus’s evolution, letter by letter, is revolutionizing pandemic science.
The first way to fight a new virus would once have been opening the windows.
Hitting the threshold might actually be impossible. But vaccines can still help end the pandemic.
New vaccines are falling short of the spectacular expectations set by Pfizer and Moderna. The world still needs them.
An Atlantic analysis of more than 100 cases using this powerful new policing tool found only four involving a homicide with a Black victim.
Children rarely get very ill from COVID-19. But there’s another reason to vaccinate them.
The most concerning versions of the virus are not simply mutating—they’re mutating in similar ways.
Getting vaccines to hospitals and nursing homes was supposed to be the easy part.
An enigmatic group of microbes seems to have an unusual new ability.
The COVID-19 vaccine will make some people feel sick. But they’re not—that’s the immune system doing its job.
The period after a vaccine is approved will be strange and confusing, as certain groups of people get vaccinated but others have to wait.
The initial results of the AstraZeneca/Oxford vaccine trials were unexpected and confusing, but there’s more data to come.
A year of scientific uncertainty is over. Two vaccines look like they will work, and more should follow.
The Trump administration spurred development of a vaccine; the Biden administration has to persuade Americans to take it.
The longer we can prevent infections, the better prepared we will be to treat them.