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.
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
Like birds which stop foraging too early on a berry-laden bush, a new study suggests older people struggle to recall items because they flit too often between ‘patches’ in their memories. Read Post