Animals
- 			 Animals AnimalsHoneybees use right antennae to tell friend from foeAsymmetry in sense of smell alters insects' behavior in lab tests. 
- 			 Animals AnimalsCicadas’ odd life cycle poses evolutionary conundrumsScientists are getting an idea about the odd family tree of periodical cicadas, how the insects synchronize their life cycles and why they breed side-by-side with others unsuitable for mating. By Susan Milius
- 			 Animals AnimalsLemurs’ group size predicts social intelligencePrimates that live with many others know not to steal food when someone is watching. 
- 			 Animals AnimalsElephant diets changed millions of years before their teethThe animals fed on grasses long before their molars could grind the tough plants. By Erin Wayman
- 			 Animals AnimalsIn dark fishing spiders, males’ postmating nap is permanentSpecies prepares for two pairings but goes into a fatal coma after a single encounter. By Susan Milius
- 			 Animals AnimalsOysters may struggle to build shells as carbon dioxide risesOcean acidification could hamper larvae's growth. By Erin Wayman
- 			 Animals AnimalsButterflies’ tidy drinking tricksThe long tube of the insects' mouthparts is fluid friendly only at the tip. By Susan Milius
- 			 Animals AnimalsIn the Eye of the TigerGlobal spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions. 
- 			 Animals AnimalsNow-extinct wolf may be ancestor of modern-day dogsNo strong signs of canine ancestry among living grey wolves. 
- 			 Animals AnimalsLyrebirds dance to their own musicIn mating display, male birds match moves to songs. By Susan Milius
- 			 Animals AnimalsDead, live guppies vie for paternityFemales can use sperm months after mates go belly up. By Susan Milius
- 			 Animals AnimalsFrog long thought extinct rediscovered in IsraelHula painted frog turns out to be the only surviving member of an extinct genus. By Meghan Rosen