EditorialPolistes, Print, Wasps of the cosmopolitan genus Polistes (the only genus in the tribe Polistini) are the most familiar of the polistine wasps, and are the most common type of paper wasp in North America. It is also the single largest genus within the ...
EditorialSixty-three trailers are set up for homeless people who tested positive for the coronavirus in Sacramento, Calif., April 13, 2020. (Max Whittaker/The New York Times)
EditorialBacillus, Print, Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Firmicutes, with 266 named species. The term is also used to describe the shape (rod) of certain bacteria; and the plural Bacilli is the ...
EditorialMolothrus ater, Print, The brown-headed cowbird (Molothrus ater) is a small obligate brood parasitic icterid of temperate native to subtropical North America. They are permanent residents in the southern parts of their range; northern birds migrate to ...
EditorialMolothrus ater, Print, The brown-headed cowbird (Molothrus ater) is a small obligate brood parasitic icterid of temperate native to subtropical North America. They are permanent residents in the southern parts of their range; northern birds migrate to ...
EditorialPolistes, Print, Wasps of the cosmopolitan genus Polistes (the only genus in the tribe Polistini) are the most familiar of the polistine wasps, and are the most common type of paper wasp in North America. It is also the single largest genus within the ...
EditorialLepidosiren paradoxa, Print, The South American lungfish (Lepidosiren paradoxa) is the single species of lungfish found in swamps and slow-moving waters of the Amazon, Paraguay, and lower Paran? River basins in South America. Notable as an obligate air...
EditorialArapaima gigas, Print, Arapaima gigas, also known as pirarucu, is a species of arapaima native to the basin of the Amazon River. Once believed to be the sole species in the genus, it is among the largest freshwater fish. The species is an obligate air-...