Animals
- 			 Animals AnimalsMeet the bugs that call your house homeA census of arthropods in human homes finds plenty of diversity — but few pests. 
- 			 Animals AnimalsWhales are full of toxic chemicalsFor decades, scientists have been finding troublesome levels of PCBs, mercury and other toxic chemicals in whales and dolphins. 
- 			 Animals AnimalsTorrent frog flirting is complicatedThe courtship displays of Brazilian torrent frogs entail a subtle but sophisticated slew of songs and movements. 
- 			 Life LifeSearch is on for missing pieces in puzzle of male genital diversityThe debate over extreme diversity of male genitalia needs to rethink the female side. And the landscape. By Susan Milius
- 			 Environment EnvironmentPCB levels still high in Europe’s killer whales, smaller dolphinsPCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins. By Susan Milius
- 			 Animals AnimalsAlien species fly on the wings of ducks and other waterbirdsDucks, geese and other waterbirds can transport nonnative species and help alien invaders establish themselves. 
- 			 Animals AnimalsCapturing the wonders of hummingbird flightRecent computer simulations reveal how hummingbirds manipulate the air around them to aid in flight. By Andrew Grant
- 			 Animals AnimalsAnts don’t make decisions on the moveWorker ants stand still while processing environmental cues and planning their next moves, a new study suggests. 
- 			 Paleontology PaleontologyFossils provide link in dino crest evolutionFossils from a newly identified duck-billed dinosaur in Montana could explain how their descendants developed flamboyant nose crests. 
- 			 Animals AnimalsThe fine art of hunting microsnailsFlotation, tact and limestone all prove vital to the quest for microsnails. By Susan Milius
- 			 Animals AnimalsThe moon drives the migration of Arctic zooplanktonIn the darkness of the Arctic winter, the moon replaces the sun as the driver of zooplankton migration, a new study finds. 
- 			 Animals AnimalsThe mites living on your face probably run in your familyDemodex folliculorum mites, which live on human skin, have probably evolved with their hosts over time.