Cases of the recently identified Covid-19 variant NB 1.8.1. are rising. Some have dubbed the variant “razor blade throat” for one of its notably painful symptoms. The World Health Organization says it’s monitoring the variant. The World’s Marco Werman spoke to Michael Mina, an epidemiologist and immunologist based in Boston.
Dementia is a catch-all term for certain diseases affecting the memory of tens of millions of people. A new study finds that it might be possible now to detect dementia early and within minutes. The World’s host Carolyn Beeler speaks with Charles Marshall, the lead researcher for the study.
Take a look around — you might not be able to see them, but they are everywhere. We are surrounded by forests of bacteria and microbes. And it turns out, that might not be such a bad thing. But our obsession with cleanliness could be.