Animals
- 			 Animals AnimalsLooks Matter: If swallows aren’t spiffy, mates’ fidelity is iffyIf a male barn swallow's plumage is more attractive than that of other males, his mate is less likely to have furtive flings with other wooers. By Sid Perkins
- 			 Animals AnimalsBalls of Fire: Bees carefully cook invaders to deathHoneybees that defend their colonies by killing wasps with body heat come within 5 degrees C of cooking themselves in the process. By Susan Milius
- 			 Animals AnimalsPerfect Match: Tied contest gives fish no hormone rushA male fish produces a burst of hormones as he fights off an intruder, but this surge isn't triggered simply by fighting. By Susan Milius
- 			 Animals AnimalsBumblebee 007: Bees can spy on others’ flower choicesBumblebees that watched their neighbors feast on unusual flowers often later checked out the same kinds of blossoms themselves, a behavior that amounts to social learning. By Susan Milius
- 			 Animals AnimalsWhat’s That Knocking? Sound evidence offered for long-lost woodpeckerCornell's Laboratory of Ornithology has released recordings from the woods of eastern Arkansas that researchers say could be the distinctive drumming and calls of the ivory-billed woodpecker. By Susan Milius
- 			 Animals AnimalsHey, kids, it’s time for droolA researcher has for the first time decoded a vibrational signal used by paper wasps. By Susan Milius
- 			 Animals AnimalsWhen a chipmunk teases a rattlesnakeSeveral of the Northeast's least ferocious forest creatures taunt rattlesnakes. By Susan Milius
- 			 Animals AnimalsFaithful voles have hidden infidelitiesPrairie voles, used for studying the biological basis of monogamy, do form social bonds but they also have more out-of-pair sexual encounters than most biologists had expected. By Susan Milius
- 			 Animals AnimalsCoati version of spoiled bratsA biologist reports that ring-tailed coatis in Argentina have a kind of dominance structure never before documented in animals, with adolescents as a group outranking their moms and older half-sibs. By Susan Milius
- 			 Animals AnimalsGetting the Gull: Baiting trick spreads among killer whalesA young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission. By Susan Milius
- 			 Animals AnimalsMyth of the Bad-Nose BirdsEven though a lot of people still believe birds have no sense of smell, certain species rely on their noses for important jobs, such as finding food and shelter, and maybe even a mate. By Susan Milius
- 			 Animals AnimalsOut of the Jungle: New lemurs found in Madagascar’s forestsTwo new species of lemur have been discovered in Madagascar, the only home of these tiny and endangered primates.