Three Guidelines To Understanding The Delta V...

The evolutionary purpose of kissing has long eluded scientists. Smooching is risky, given things like pointy teeth, and inherently gross, given an estimated 80 million bacteria are transferred in a 10 second kiss. And yet, from polar bears to humans, albatrosses and prairie dogs, ...  Show more

It seems like artificial intelligence is everywhere in our virtual lives. It's in our search results and our phones. But what happens when AI moves out of the chat and into the real world? NPR science editor and correspondent Geoff Brumfiel took a trip to the Intelligence through ...  Show more

The Delta variant of the coronavirus is threatening to put the world in an entirely new stage of the pandemic.

The variant is spreading fast, particularly in places with low vaccination rates — it is thought to be around 50 percent more transmissible than previous versio ...

Recent data from the C.D.C. has found that not only can vaccinated people get infected with the Delta variant of the coronavirus, though instances are rare, but they also can potentially spread the virus just as much as an unvaccinated person.

What are the practical impl ...

Nothing makes sense. “The Delta variant” canard doesn’t explain how the virus is now much worse than ever before when nearly every adult is vaccinated in a lot of areas getting hit hard. Today, we are joined by Dr. Lynn (pseudonym), associate medical director of America’s Frontli ...  Show more

Initially, U.S. officials predicted that as many as 20 million Americans would be fully vaccinated before the end of 2020. And while that many vaccine doses were distributed, only a fraction of them have been administered. The federal government has given states control over dist ...  Show more