Olfaction is one of the least understood senses but has played a vital role in the evolution of vertebrates. Basic survival behaviors such as foraging, communicating, recalling memory, and reproduction are often dependent on a protruding-facial structure that we too often ignore.
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Biologists have found that neural-crest stem cells--multipotent, migratory cells unique to vertebrates that give rise to facial bones, smooth muscle, and other structures -- also play a key role in building the nose's olfactory sens... Read Post
The recent Gosnell trial exposed many Americans to the ugly reality of abortion, which is often hidden behind language such as “women’s rights,” “choice” and “reproductive health.” Not surprisingly, the nation reacted with outrage a... Read Post
Avian olfaction is poorly understood: birds are widely regarded as relying primarily on visual and auditory inputs. Among vertebrates, the sense of smell is mediated by olfactory receptors (ORs). Read Post