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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How do we smell? The answer lies in the 1,000 or so genes that encode what's known as olfactory receptors inside our noses.
Plants & Animals
Mar 4, 2014
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Vanderbilt biologists have discovered that mosquito sperm have a "sense of smell" and that some of same chemicals that the mosquito can smell cause the sperm to swim harder.
Plants & Animals
Feb 3, 2014
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A new study on silkmoths revealed that the insects' ability to perceive environmental odors has been reduced after about 5,000 years of domestication by humans. Scientists from the Max Planck Institute for Chemical Ecology ...
Plants & Animals
Nov 21, 2013
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(Phys.org) —If you're in the business of cracking codes, it would be pretty difficult to break into a security system that you don't even know is there. That's one of the advantages of molecular keypad locks, whose small ...
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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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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In work published this week in Nature's Scientific Reports, a team of researchers from the University of Notre Dame's Eck Institute for Global Health, led by Associate Professor Giles Duffield and Assistant Professor Zain ...
Cell & Microbiology
Aug 30, 2013
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Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
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Palaeontologists in Utah on Wednesday said they had found the fossil of a strange horned dinosaur which roamed an island continent known as Laramidia.
Archaeology
Jul 17, 2013
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