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Animals

For a female mosquito, the wrong guy can mean no babies

Male Asian tiger mosquitoes leave female yellow fever mosquitoes uninterested in mating with their own species, a process known as “satyrization.”

Science & Society

Short memory can be good strategy

Game theory reveals that there’s a limit to the effectiveness of relying on prior results to predict competitors’ behavior.

Genetics

Evolution caught red-handed

Scientists have named a new gene on the fruit fly Y chromosome “flagrante delicto Y.”

Materials Science

Electron waves refract negatively

Waves of electrons have been bent backward in a sheet of graphene, allowing physicists to focus electrons the way a lens focuses light.