Posts Tagged ‘olfactory’
Thanks to copper, sulfur’s stink repels us
DUKE (US) — Copper ions may be the cause of our sensitivity to sulfurous odors, like skunks, volcanic gases, and armpits. Continue…
Tuesday, February 7, 2012 16:11 - 0 Comments
Top Stories - Sep 23, 2011 10:15 - 0 Comments
Birds may identify their kin by smell
U. CHICAGO (US) — Penguins appear to use smell to determine if they are related to a potential mate, which suggests birds may have a more highly developed sense of smell than researchers previously thought. (more…)
Science & Technology - May 11, 2011 10:01 - 4 Comments
One sniff snuffs out bevy of bugs
VANDERBILT (US) — A forceful insect repellant that is thousands of times more effective than DEET, combats not only malaria-carrying mosquitoes, but pesky flies, moths, and ants as well. (more…)
Science & Technology - Feb 4, 2011 12:10 - 0 Comments
Paving the way from nose to noggin
STANFORD (US) — A new technique that traces neural pathways across the brain is offering insight into how the brain and nose work together to sniff out fear. (more…)
Science & Technology - Jul 29, 2010 10:27 - 6 Comments
Lemurs smell funny on birth control
DUKE (US)—A new study finds hormonal contraception changes the chemical signals sent by female ring-tailed lemurs, making them less attractive to potential mates. (more…)
Science & Technology - Feb 3, 2010 14:05 - 1 Comment
Better traps are bad news for mosquitoes
YALE (US)—Researchers have discovered more than two dozen scent receptors in malaria-transmitting mosquitoes that detect compounds in human sweat, a finding that may help scientists to develop new ways to combat a disease that kills 1 million people annually. (more…)
Science & Technology - Dec 9, 2009 14:54 - 0 Comments
Why King Kong failed to impress
DUKE (US)—Humans have the same receptors for detecting odors related to sex as do other apes and primates. But each species uses them in different ways, stemming from the way the genes for these receptors have evolved over time. (more…)
Science & Technology - Dec 7, 2009 14:11 - 0 Comments
Fly-off-the-handle pheromone—in flies
CALTECH (US)—Researchers have identified a pheromone in the vinegar fly that makes males behave aggressively, and they’ve pinpointed the neurons in the fly’s antenna that detect this pheromone and relay the information to the brain to elicit aggression. (more…)
Health & Medicine - Aug 21, 2009 12:18 - 0 Comments
Nose keeps smells separated
When the participants received a different smell in each nostril at the same time, they were actually experiencing an “olfactory illusion,” says study coauthor Denise Chen. “Although both smells are equally present, the brain attends to predominantly one of them at a time.” (Courtesy: Rice University)
