Scientists in developing nations plan to step up research into dimming sunshine to curb climate change, hoping to judge if a man-made chemical sunshade would be less risky than a harmful rise in global temperatures. Twelve scholars, from countries including …
In the 19th Century, a Pennsylvania dentist called WH Atkinson came across a condition that sounds like the stuff of nightmares. Writing in The Dental Cosmos, the first major journal for American dentists, Atkinson documented an outbreak of exploding teeth. …
