Animals keep eating precious plants—we used 'smell misinformation' to keep them away
In places where we need to protect valuable plants—whether for ecological or economic reasons—local herbivores can cause significant damage.
In places where we need to protect valuable plants—whether for ecological or economic reasons—local herbivores can cause significant damage.
Ecology
Feb 5, 2024
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A team of researchers from the Max Planck Institute for Chemical Ecology, together with colleagues from the Martin Luther University Halle-Wittenberg, Germany, has studied olfaction in female silk moths. Using electrophysiological ...
Plants & Animals
Jan 16, 2024
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Fish from the same species can evolve their sense of smell and display individual foraging 'personalities' to successfully find food in different habitats, according to new research.
Plants & Animals
Dec 19, 2023
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Some fish come onto the land to hunt or move around. Typically, this behavior happens at nighttime, as seen in eels, for instance. In the new study, researchers have found that such amphibious fishes might have an enhanced ...
Evolution
Aug 15, 2023
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Put yourself in the exoskeleton of a bumble bee for a moment: Your world would be a riot of colors and scents, both essential to guide your search for pollen and nectar. Bumble bees have excellent vision: They have a pair ...
Plants & Animals
Jun 14, 2023
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Mother's Day is coming up in Australia and that means a surge in perfume sales. Of course, scents are purchased year-round and not just for mothers. Fragrance sales in Australia will amount to over A$1 billion this year.
Analytical Chemistry
May 9, 2023
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A new U of T Scarborough study finds that climate change is causing a commercially significant marine crab to lose its sense of smell, which could partially explain why their populations are thinning.
Plants & Animals
May 9, 2023
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Cephalopods such as octopus and squid evolutionarily diverged from mollusks like slugs and snails. These animals have elaborate compact nervous systems located within specialized arm appendages, which can perform a surprisingly ...
Plants & Animals
Apr 13, 2023
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Breaking a longstanding impasse in our understanding of olfaction, scientists at UC San Francisco (UCSF) have created the first molecular-level, 3D picture of how an odor molecule activates a human odorant receptor, a crucial ...
Biochemistry
Mar 15, 2023
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Compared to other senses, our sense of smell is often overlooked. Our noses can alert us to risks such as rotten food, gas leaks and burning toast. But for advanced tasks such as detecting bombs or contraband, or diseases ...
Biotechnology
Dec 15, 2022
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Olfaction (also known as olfactics or smell) refers to the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertebrates, and, by analogy, sensory cells of the antennae of invertebrates. For air-breathing animals, the olfactory system detects volatile or, in the case of the accessory olfactory system, fluid-phase chemicals. For water-dwelling organisms, e.g., fish or crustaceans, the chemicals are present in the surrounding aqueous medium. Olfaction, along with taste, is a form of chemoreception. The chemicals themselves which activate the olfactory system, generally at very low concentrations, are called odors.
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