Animals
- 			 Animals AnimalsTiny plastics cause big problems for perch, lab study findsResearchers have linked microplastics to feeding behavior changes and development issues in Baltic Sea perch. 
- 			 Life LifeJumping gene turned peppered moths the color of sootA single gene is behind some of the most famous examples of natural selection. 
- 			 Climate ClimateReaders share climate change concernsReaders respond to the April 16, 2016, issue of Science News with thoughts on climate change, prairie dogs and more. 
- 			 Animals AnimalsPandas have ultrasonic hearingGiant pandas hear very high frequencies. Scientists still don’t know why. 
- 			 Animals AnimalsAnimals get safe spots to cross the road — and car collisions dropOver- and underpasses built for wildlife in Wyoming proved a success for both the animals and the humans traveling the roads. 
- 			 Animals AnimalsCounting cats is hard, but we know the numbers aren’t goodRecent studies highlight the difficulty of counting big cats, but even imperfect counts show that these species are in trouble. 
- 			 Life LifeFruit fly’s giant sperm is quite an exaggerationGiant sperm, about 20 times a male fruit fly’s body length, could make the insects the champs of supersized sexual ornaments. By Susan Milius
- 			 Animals AnimalsAntibiotics in cattle leave their mark in dungTreating cattle with antibiotics may have side effects for dung beetles, microbes and greenhouse gases. 
- 			 Animals AnimalsSnot could be crucial to dolphin echolocationAn acoustic model reveals that echolocation relies on mucus lined tissue lumps in the animal’s nasal passage. 
- 			 Animals AnimalsFor baby sea turtles, it helps to have a lot of siblingsAfter hatching, baby sea turtles must dig themselves out of their nest. This requires less energy if there are lots of siblings, a new study finds. 
- 			 Animals AnimalsThese mystery mounds are actually giant piles of earthworm poopThe grassy mounds that dot a watery landscape in South America are created by giant earthworms, a new study finds. 
- 			 Animals AnimalsHornbills join toucans in the cool beak clubLike toucans, southern yellow-billed hornbills keep things chill with cool beaks.