Female fruit flies enter the ring of sexual competition

When it comes to sexual competition, males have the star role. Clashing bodies, locking horns, biting and kicking are all considered fair play. Since these behaviors are so salient and robust, most studies focus on male behavior, ...

Landfill odor: Health problems, but no elevated cancer risk

Missouri's health department on Thursday announced findings of a lengthy examination of the troubled Bridgeton Landfill in suburban St. Louis, determining that the foul odor emitting from the landfill created health problems ...

Researchers crack 30-year-old mystery of odor switching in worms

Soil-dwelling nematodes depend on their sophisticated sense of smell for survival, able to distinguish between more than a thousand different scents—but the molecular mechanism behind their olfaction has baffled scientists ...

Tobacco hawkmoths always find the right odor

A research team at the Max Planck Institute for Chemical Ecology has discovered how tobacco hawkmoths are able to detect odors that are important to them against a complex olfactory background. By looking at the specific ...

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