Omicron's Arrival Is 'Wake-Up Call' That The ...

A race started by President Trump is leading to the rapid construction of new, experimental nuclear reactors. If they work, they could power data centers for artificial intelligence. But critics worry that the breakneck pace is compromising safety and public trust. NPR correspond ...  Show more

Yamal and Messi aren’t the only stars of the World Cup finals. If you’ve been watching any of the games, you’ve probably stared directly at a huge, unsung hero: the turf. Turf grass science is a real thing, and it’s John Sorochan’s area of expertise. He’s a scientist at the Unive ...  Show more

The Omicron variant of the coronavirus is incredibly contagious — it is able to infect people with even greater frequency than the Delta variant, and it is skilled at evading the immune system’s defenses. Much is still unknown about the new variant, and scientists are racing t ...

The story of the Omicron variant began a week ago, when researchers in southern Africa detected a version of the coronavirus that carried 50 mutations. 

When scientists look at coronavirus mutations, they worry about three things: Is the new variant more contagious? Is i ...

A new Covid-19 variant called Omicron is spreading throughout the world and public health officials are worried about its transmissibility. President Biden addressed the nation saying, "this variant is a cause for concern — not a cause for panic." But the variant is reigniting an ...  Show more

The World Health Organization is warning that the omicron variant of the coronavirus, which was first detected in South Africa, has a "very high" global risk because of the possibility that it spreads more easily and might resist vaccines and immunity in people who were infected ...  Show more