A meta-analysis seeks to be the last word on the effectiveness of masks, but finding answers in science isn’t that easy. By Kelsey Piper Here’s a seemingly simple question with a deeply unsimple answer: Do the masks that so many of us spent more than two years...
A controversial new study involving an engineered version of Covid’s omicron variant raises new questions about research oversight. By Kelsey Piper The omicron variant of Covid-19 is more transmissible than earlier variants of the virus, which has helped...
Covid-19 treatments are key to living with the virus. Here’s where we’re at. By Kelsey Piper When the vaccines against Covid-19 first started rolling out less than a year ago, there was widespread hope that it signaled the beginning of the end of the...