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- Mystery Meteorite: The case for (and against) a rock from Mercury
- Hard Times for Theorists in a Post-Higgs World: The Large Hadron Collider’s big success leaves no clear avenue for new physics
- In the Eye of the Tiger: Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions
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- Infection time: Disease is more severe when it hits in the morning, at least in mice
- Explainer: Our bodies’ internal clocks: Biological clocks determine hunger, sleepiness and other daily rhythms
- Flu in the air: Germs tiny enough to pass through surgical masks may cause half of all cases
BUGGY MUGS
View larger image | For those willing to look closely, the faces of Polistes fuscatus wasps (top) differ in markings and shades. Queens who build joint nests pick up on those differences, too. In tests asking the wasps to choose a target image from two possible offerings, P. fuscatus queens recognized full faces better than other images. Singleton queens, of the species P. metricus, didn’t show the same aptitude.
Credit: Source: M. Sheehan and E. Tibbetts/Science 2011; Image:M. Sheehan
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