Animals
- 			 Animals AnimalsFor some salamanders, finding a mate is a marathonSmall-mouthed salamanders will travel close to nine kilometers on average to mate, a new study finds. 
- 			 Animals AnimalsChimps look at behinds the way we look at facesHumans demonstrate something called the inversion effect when gazing at faces. Chimpanzees do this too — when looking at other chimps’ butts. 
- 			 Animals AnimalsGenome clues help explain the strange life of seahorsesResearchers have decoded the genetic instruction manual of a seahorse (Hippocampus comes) and found clues to its nearly 104-million-year evolutionary history. 
- 			 Climate ClimateYear in review: Sea ice loss will shake up ecosystemsResearchers are studying the complex biological consequences of polar melting and opening Arctic passageways. By Susan Milius
- 			 Animals AnimalsWhy crested penguins lay mismatched eggsAfter long migratory swims, crested penguins lay one small and one larger egg. By Susan Milius
- 			 Animals AnimalsWhy a mountain goat is a better climber than youFor the first time, scientists have analyzed how a mountain goat climbs a cliff. Big muscles in the shoulder and neck help a lot, they find. 
- 			 Animals AnimalsFirst spider superdads discoveredMale spiders first known to give up solitary life for offspring care, often as a single parent. By Susan Milius
- 			 Astronomy AstronomyScientific success depends on finding light in darknessEditor in chief Eva Emerson discusses using cleverness and persistence to uncover scientific truths. By Eva Emerson
- 			 Animals AnimalsPlant-eating mammals sport bigger bellies than meat eatersMammalian plant eaters have bigger torsos than meat eaters, a new analysis confirms, but the same might not have held true for dinosaurs. 
- 			 Animals AnimalsAnimals give clues to the origins of human number crunchingGuppies, dogs, chickens, crows, spiders — lots of animals have number sense without knowing numbers. By Susan Milius
- 			 Oceans OceansCoral die-off in Great Barrier Reef reaches record levelsBleaching has killed more than two-thirds of corals in some parts of the Great Barrier Reef, scientists have confirmed. 
- 			 Health & Medicine Health & MedicineLow social status leads to off-kilter immune systemLow social status tips immune system toward inflammation seen in chronic diseases, a monkey study shows.