BiologyBiologyOne Head, 1,000 Rear Ends: The Tale of a Deeply Weird WormRamisyllis multicaudata is an animal that seems to have adopted the lifestyle of a fungusJennifer Frazer | Opinion
PolicyReaders Respond to the April 2021 IssueLetters to the editor from the April 2021 issue of Scientific American
BiologyBiologyOne Head, 1,000 Rear Ends: The Tale of a Deeply Weird WormRamisyllis multicaudata is an animal that seems to have adopted the lifestyle of a fungusJennifer Frazer | Opinion
Space & PhysicsSpace & PhysicsO UFOs, Where Art Thou?Five reasons why sorting all of this out is so scientifically challengingCaleb A. Scharf | Opinion
BehaviorBehaviorWhy So Many Young People Hate STEM CoursesTake it from someone who almost gave up on her dream of being a scientistRhea Wanchoo | Opinion
BiologyBiologyPlay Is Serious Business for ElephantsYoung dogs, apes and other animals develop skills needed to survive and reproduceCaitlin O'Connell
Don't Let These Dog Projects Pass You ByOver the last few years, there has been a surge in public-participation science projects, and I don’t mean watching dog videos on YouTube.Julie Hecht
EvolutionLong-Lost Horse Toes FoundA new study reveals modern horses retain vestiges of all five ancestral toesBrian Switek
Climate ChangeBecause It’s Not There: Climbers May Face Danger If Everest’s Hillary Step CollapsedA glacier scientist and expert climber weighs in on the high-altitude mystery surrounding the summit’s icy rock faceAndrea Marks
EvolutionThese Dinosaurs Had a Complicated Air Conditioner in Their SkullCooling 5,000-pound, armor-plated giants was no small feat.July 21, 2021
Space & PhysicsSpace & PhysicsExperience Seven Minutes of Terror in New Perseverance Mars Rover Landing VideoFebruary 22, 2021
