Caenorhabditis elegans, a tiny roundworm, spends much of its lifetime searching for soil bacteria to eat. This humble creature possesses 302 neurons, which may not seem like a lot compared to the billions of nerve cells that ...
Cell & Microbiology
Sep 15, 2015
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(Phys.org) —Researchers at the University of New Mexico recently discovered an olfactory immune system in fish previously thought to be associated with terrestrial vertebrates only. The results could provide a new tool ...
Plants & Animals
Nov 25, 2014
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An insect's sense of smell is vital to its survival. Only if it can trace even tiny amounts of odor molecules is it is able to find food sources, communicate with conspecifics, or avoid enemies. According to scientists at ...
Plants & Animals
Mar 27, 2014
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Nocturnal animals need their noses to stay alive. Mice, among others, depend on their impressive olfactory powers to sniff out food or avoid danger in the dark.
Plants & Animals
Oct 2, 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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(Phys.org) —Increases in ground-level ozone, especially in rural areas, may interfere not only with predator insects finding host plants, but also with pollinators finding flowers, according to researchers from Penn State ...
Environment
Apr 2, 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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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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(Phys.org) -- Max Planck scientists have found out that the olfactory system in hermit crabs is still underdeveloped in comparison to that of vinegar flies. While flies have a very sensitive sense of smell and are able to ...
Plants & Animals
Jul 4, 2012
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(Medical Xpress) -- Fruit flies don't have noses, but a huge part of their brains is dedicated to processing smells. Flies probably rely on the sense of smell more than any other sense for essential activities such as finding ...
Biotechnology
Jan 19, 2012
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