Female mosquitoes, which can transmit deadly diseases like malaria, dengue fever, West Nile virus and filariasis, are attracted to us by smelling the carbon dioxide we exhale, being capable of tracking us down even from a ...
Cell & Microbiology
Dec 5, 2013
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Insects are repelled by N,N-diethyl-m-toluamide, also known as DEET. But exactly which olfactory receptors insects use to sense DEET has eluded scientists for long. Now researchers at the University of California, Riverside ...
Biochemistry
Oct 2, 2013
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How tiny fish larvae travel away from the reef, then know how to navigate their way back home is a scientific mystery.
Ecology
Aug 28, 2013
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When a mouse smells a cat, it instinctively avoids the feline or risks becoming dinner. How? A Northwestern University study involving olfactory receptors, which underlie the sense of smell, provides evidence that a single ...
Biotechnology
Apr 29, 2013
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Highly developed antennae containing different types of olfactory receptors allow insects to use minute amounts of odors for orientation towards resources like food, oviposition sites or mates. Scientists at the Max Planck ...
Plants & Animals
Mar 18, 2013
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Approximately one third of all fragrances on the market contain vetiver oil as a key ingredient, for which no synthetic odorant is commercially available. Instead it has to be distilled from the dried roots of vetiver grass. ...
Biochemistry
Dec 7, 2012
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The human nose has millions of olfactory neurons grouped into hundreds of different neuron types. Each of these neuron types expresses only one odorant receptor, and all neurons expressing the same odorant receptor plug into ...
Cell & Microbiology
Nov 14, 2012
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Long envisioned as an alternative to remembering scores of computer passwords or lugging around keys to cars, homes and businesses, technology that identifies people by their faces or other physical features finally is gaining ...
Hi Tech & Innovation
Sep 21, 2012
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(Phys.org)—A new study of the sense of smell lends support to a controversial theory of olfaction: Our noses can distinguish both the shape and the vibrational characteristics of odorant molecules.
Other
Sep 19, 2012
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The first complete map of the ants' olfactory system has discovered that the eusocial insects have four to fives more odorant receptors—the special proteins that detect different odors—than other insects.
Plants & Animals
Sep 10, 2012
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