Sound engineers know how to use gain control to avoid “redlining” or saturating the signal while amplifying weak but important signals. Your nose knows that trick, too. The sense of smell is complex because of the tremendous variety of odorant molecules that must be interpreted. Molecules that trigger signals in the initial neurons trigger a […]
Can birds make you happy? Some scientists think so, but why? There seems to be a connection between seeing birds in their natural habitat and a person’s sense of well-being, reported Science Daily. Whether that is true may be a function of the setting and species of bird (buzzards, ostriches probably not rating as high […]