A species that lived about 520 million years ago and was thought to be the oldest known bryozoan is instead a type of colony-forming algae, a new study proposes.Bryozoans are filter-feeding, tentacle-bearing animals that live in apartment complex–like colonies attached to rocks, shells or other surfaces on seafloors or lake

Fungi Q&AThree types of fungi — Histoplasma, Coccidioides and Blastomyces — that cause serious lung infections were thought to be confined to certain regions of the United States. But now they are widespread in the country, Tina Hesman Saey reported in “Where fungal lung infections have spread” (SN: 1/14/23, p.

The 19th century landscape paintings hanging in London’s Tate Britain museum looked awfully familiar to climate physicist Anna Lea Albright. Artist Joseph Mallord William Turner’s signature way of shrouding his vistas in fog and smoke reminded Albright of her own research tracking air pollution.“I started wondering if there was a