Life
- 			 Animals AnimalsScience has finally cracked male riflebirds’ flirty secretsNew video upsets the old notion that these birds of paradise use wing clapping to make percussive sounds while courting. By Susan Milius
- 			 Environment EnvironmentAn idea to save Mexico’s oyamel forests could help monarch butterflies tooClimate change is putting monarch butterflies’ overwintering forests in Mexico at risk. Could planting new forests solve that problem? 
- 			 Oceans OceansHow tiny phytoplankton trek long distances upward in the oceanTaking in seawater while filtering out dense salts lets unicellular phytoplankton migrate tens of meters vertically toward sunnier seas. 
- 			 Life LifeHere are some stellar picks from Nikon’s top microscopy images of 2024The annual Small World photomicrography competition, now in its 50th year, puts life’s smallest details under the microscope. 
- 			 Plants PlantsCarnivorous plants eat faster with a fungal friendInsects stuck in sundew plants’ sticky secretions suffocate and die before being subjected to a medley of digestive enzymes. 
- 			 Animals AnimalsAt-home experiments shed light on cats’ liquid behaviorCats can flow like liquids through tall crevices, but they solidify a bit as they approach short crannies, new research shows. 
- 			 Neuroscience NeuroscienceYour brain can perceive subtle odor changes in a single sniffThe speed at which our brain can tell smells apart is on par with color perception, a new sniff device shows. 
- 			 Animals AnimalsDNA from old hair helps confirm the macabre diet of two 19th century lionsGenetic analysis of cavity crud from two famed man-eating lions suggests the method could re-create diets of predators that lived thousands of years ago. By Jake Buehler
- 			 Neuroscience NeuroscienceHair pulling prompts one of the fastest known pain signalsThe ouch of hair pulling is transmitted with the help of a protein used to sense light touches. These details could lead to new treatments. 
- 			 Health & Medicine Health & MedicineA viral gene drive could offer a new approach to fighting herpesA new gene drive can copy and paste itself into the genomes of herpes simplex viruses in mice. The end goal is a version that disables the virus in humans. By Meghan Rosen
- 			 Paleontology PaleontologyThe largest arthropod to ever live finally has a headFossils of an extinct giant millipede reveal new details about the arthropod’s anatomy. By Jason Bittel
- 			 Chemistry ChemistryWork on protein structure and design wins the 2024 chemistry NobelDavid Baker figured out how to build entirely new proteins. Demis Hassabis and John Jumper developed an AI tool to predict protein structures. By Meghan Rosen