Animals
- 			 Animals AnimalsPumping cold water into rivers could act as ‘air conditioning’ for fishHundreds of salmon, trout and other fish sought shelter from summer heat in human-made shelters, suggesting a way to help fish adapt to river warming. By Nikk Ogasa
- 			 Genetics GeneticsThese 8 GMOs tell a brief history of genetic modificationSince the first genetically modified organism 50 years ago, GMOs have brought us disease-resistant crops, new drugs and more. 
- 			 Animals AnimalsHow sea anemones living on deep-sea hydrothermal vents avoid metal poisoningThe anemone Alvinactis idsseensis dominates its toxic environment thanks to an unusual number of genes geared toward protecting cells from heavy metals. 
- 			 Life Life10 billion snow crabs have disappeared off the Alaskan coast. Here’s whyIn the eastern Bering Sea, the snow crab population plummeted after a marine heat wave in 2018. The crabs may have starved, a new study finds. By Jude Coleman
- 			 Animals AnimalsScientists debunked a long-standing cicada myth by analyzing their gutsThe lack of obvious chewing mouthparts may have made casual observers think that adult cicadas don’t need to feed. But that’s not the case. 
- 			 Animals AnimalsIn a first, genetically modified silkworms produced pure spider silkAn effort to engineer silkworms to produce spider silk brings us closer than ever to exploiting the extraordinary properties of this arachnid fiber. 
- 			 Life LifeAnts may be the first known insects ensnared in plastic pollutionAt this point, it’s unclear whether this type of trash harms insects, but the discovery highlights the ubiquity of plastic pollution in the wild. By Jake Buehler
- 			 Animals AnimalsGene editing can make chickens resistant to bird fluChickens genetically modified to be impervious to avian influenza may one day prevent the spread of the disease on farms, a study suggests. 
- 			 Life LifeHippos might be ferocious fighters, but their big teeth make them terrible chewersAmong plant eaters, hippos are the worst chewers. Their huge tusks and front teeth keep the jaw from moving side to side to grind food, a study finds. By Jake Buehler
- 			 Animals AnimalsA global report finds amphibians are still in peril. But it’s not all bad newsA survey of about 8,000 amphibian species provides the latest update on extinction risk trends stretching back to 1980. By Anna Gibbs
- 			 Animals AnimalsIn noisy environs, pied tamarins are using smell more often to communicateGroups of the primate, native to Brazil, complement vocalizations with scent-marking behavior to alert other tamarins to dangers in their urban home. 
- 			 Animals AnimalsThe right bacterial mix could help frogs take the heatWood frog tadpoles that receive a transplant of green frog bacteria can swim in warm waters, revealing another role for microbiomes: heat tolerance.