Health officials around the world are adjusting their plans for combatting the coronavirus in light of the more infectious Delta variant — and evidence that even vaccinated people can spread it.
A photo of a real-life sponge and starfish hanging out together delighted the internet. But "the reality is a little crueler than perhaps a cartoon would suggest," says the researcher who posted it.
Kansas Gov. Laura Kelly, a Democrat, has been hesitant to issue any statewide mandates without a ruling from the state Supreme Court on her powers. Counties aren't jumping at the opportunity either.
Sweat is an "evolutionary marvel," says Sarah Everts, the author of The Joy of Sweat. In her new book, Everts delves into the science of perspiration and how this trait has enabled humans to thrive.
NPR's Ari Shapiro speaks with Dr. Jennifer Francis, an expert who studies disproportionate Earth warming, about the new study linking the rate of emissions to the likelihood of extreme heat.
There's been about two degrees Fahrenheit of warming so far worldwide. That may sound like a small number, but scientists say it's enough to make extreme weather events much more common.
The African country, previously credited for high childhood vaccination rates, was 1 of 4 countries to reject COVID vaccines. Now they've done a 180. It's unclear if its citizens will go along.