Animals

Warm water pushes the ricefield eel from female to male through a single temperature-sensitive protein in the ovary, researchers report in eLife. The paper, published on September 7 by Zhi Yang,…

Archaea that live inside marine sponges have long been classed as strict ammonia-eaters, microbes whose sole job is stripping nitrogen waste from their host. A study published Sept. 4 in Science…

Researchers at the University of California, Santa Cruz, have sequenced nuclear paleogenomes from two fossils of Miracinonyx trumani (the extinct animal long called the American cheetah) and found it…

Researchers at Scripps Institution of Oceanography and CNRS have used six years of elephant seal dive data to show that small-scale ocean currents, known to churn the surface, are also active…

Chimpanzees at two African sites can be told apart by the sound of their laughs, grunts and whimpers, and the difference is sharper in juveniles than in infants, researchers report in PLOS One.…

A team co-led by the University of Cambridge and HHMI's Janelia Research Campus has published a complete wiring map of a male fruit fly's central nervous system on Sept. 3 in Cell, covering the brain…

The UK Health Security Agency said Sept. 3 that invasive Aedes aegypti mosquitoes and larvae have been found at residential properties in east London, and that it is the first time the species has…

A gene-edited pig kidney kept a man with end-stage kidney disease off dialysis for 271 days before it failed and was removed. Eighty-two days later, he received a human kidney that worked…

Spend the winter at the bottom of a cold pond and there is very little to work with: no food, and water so poor in oxygen that most animals would be in trouble within hours. Frogs manage it for…

A team led from University College Dublin has sequenced 21 ancient genomes of sheeppox virus, a disease of sheep, several of them recovered from medieval parchment, the animal skin that manuscripts…

Health Canada researchers dosed male and female mice with polystyrene nano- and microplastic particles for 28 days and found inflammation in the gallbladders of nine of 23 exposed males and two of 24…

Radar satellites can locate emperor penguin colonies during the Antarctic winter, when there is no sunlight for optical satellites, researchers write in a study published Sept. 2 in Communications…