Scars are a public health as well as aesthetic threat, as internal scars can compromise the function of organs and tissues. Scientists are now devising medications that promote healing without producing scars. One of the scientists on the front lines discusses how these medicines work and their possible uses.
Preschool teachers have left the profession in huge numbers, closing some schools and threatening others. With nowhere to safely leave their children, millions of people are unable to return to work, sabotaging economic recovery. An expert discusses the low wages behind the 10% (or more) drop in early educators and how current legislation may finally turn the industry around.
Some theories claim that Covid-19 was created in a laboratory in Wuhan, China, but a study now has turned up more evidence confirming the wet market theory. Plus, what restaurants and supermarkets you have in your neighbor can predict your health. And finally, if transmission of Covid is more likely inside than outside, does that mean the wind is protecting you outdoors? The answer, apparently, is yes.