Animals
- 			 Paleontology PaleontologyA one-of-a-kind trilobite fossil hints at what and how these creatures ateThe preserved contents suggest the trilobite fed almost continuously and had a gut environment with an alkaline or neutral pH, researchers say. By Sid Perkins
- 			 Animals AnimalsSeen Bigfoot or the Loch Ness Monster? Data suggest the odds are lowFloe Foxon is a data scientist by day. But in his free time, he applies his skills to astronomy, cryptology and sightings of mythical creatures. By Meghan Rosen
- 			 Animals AnimalsThese brainless jellyfish use their eyes and bundles of nerves to learnNo brain? No problem for Caribbean box jellyfish. Their seemingly simple nervous systems can learn to avoid obstacles on sight, a study suggests. 
- 			 Animals AnimalsFor the first time, researchers decoded the RNA of an extinct animalThe Tasmanian tiger, or thylacine, was hunted nearly to extinction. Now RNA extracted from a museum specimen reveals how its cells functioned. 
- 			 Health & Medicine Health & MedicineA catalog of all human cells reveals a mathematical patternSmaller cells occur in larger numbers in the human body, and cells of different size classes contribute equally to our overall mass. 
- 			 Animals AnimalsSome cannibal pirate spiders trick their cousins into ‘walking the plank’A pirate spider in Costa Rica uses a never-before-seen hunting strategy that exploits the way other spiders build webs. 
- 			 Animals AnimalsA little snake’s big gulp may put all other snakes to shameThe humble Gans’ egg-eater can wrap its mouth around bigger prey than any other snake of its size. 
- 			 Animals AnimalsWild male palm cockatoos rock out with custom drumsticksAlong with flashy dances and distinctive drumbeats, these birds craft their own signature drumsticks to win over mates. By Elise Cutts
- 			 Animals AnimalsThe world’s highest-dwelling mammal isn’t the only rodent at extreme elevationAfter discovering a mouse living nearly 7,000 meters above sea level, scientists scoured other extreme environments to make sure the find wasn’t a fluke. By Meghan Rosen
- 			 Ecosystems Ecosystems‘Crossings’ explores the science of road ecologyBen Goldfarb talks about his new book, which looks at the science that’s helping to prevent animals from becoming roadkill. By Amanda Heidt
- 			 Health & Medicine Health & MedicineScientists grow humanized kidneys in pig embryosThe work represents an important advance in the methods needed to grow humanized kidneys, hearts, and pancreases in animals. By Amanda Heidt
- 			 Animals AnimalsA new DNA leaf swab technique could revolutionize how we monitor biodiversitySimple swabs of just 24 leaves in Uganda’s Kibale National Park provided a genetic snapshot of 52 animals in the tropical forest.