Tag: "sniffs" at biology news
Sniffers show that humans can track scents, and that two nostrils are better than one
...first attempts. The researchers measured subjects' sniffs
and noticed that the faster the subjects moved alo...- just as with dogs, though not as fast as the six sniffs
per second rate exhibited by dogs. The big question, however, was whether two nostrils allow scent...
News tips from the Journal of Neuroscience
...omponent of male sweat. Heterosexual women took 20 sniffs
from vials containing AND or a control odor with similar qualities, in this case yeast. Subjects were wired to measure nine physiological indicators. After odor exposure, the subjects watched videos designed to heighten emotional state, answered a se...
Male sweat boosts women's hormone levels
...raduate women at UC Berkeley were asked to take 20 sniffs
from a bottle containing androstadienone, which smells vaguely musky. Over a period of two hours, the volunteers provided five saliva samples from which cortisol levels were determined. Compared to their response when sniffing a control odor (yeast...
Biosensor sniffs out explosives
...ne researchers have developed a new biosensor that sniffs
out explosives and could one day be used to detect landmines and deadly agents, such as sarin gas, according to a paper in the June issue of Nature Chemical Biology. To create the biosensor, Danny Dhanasekaran and colleagues genetically engineered...
Research study describes the role part of the brain plays in memory
...ried out with experimental rats. When one rodent sniffs
another rodent's snout right after the second one has eaten, the first one will later choose to eat the same exact food. Animals learn to remember what their congeners eat and, in that way, lower the risk of eating new foods that could be harmful to ...