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 ...

People around the world like the same kinds of smells

What smells we like or dislike is primarily determined by the structure of the particular odor molecule. A collaborative study involving researchers from Karolinska Institutet, Sweden, and the University of Oxford, UK, shows ...

'Worm-on-a-chip' device could someday help diagnose lung cancer

Dogs can use their incredible sense of smell to sniff out various forms of cancer in human breath, blood and urine samples. Similarly, in the lab a much simpler organism, the roundworm C. elegans, wriggles its way toward ...

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