Hand and arm movements do much more than accent words; they provide context for understanding
A person's face will always reveal his true feelings—if, like Paul Ekman, you are quick enough to recognize microexpressions
Inventors claim that new technologies can ferret out fibbers, but it is unclear what the gear actually reveals
We've all had sudden, smart insights. How do they arise? And is there a way we can conjure them up at any time?
Dogs understand "fetch" and "leash," whereas apes can combine hand-signed words into short sentences. So what special skill did humans bring to the language game?
People who stutter sometimes suffer from mistaken notions about their intelligence or emotional balance, but the problem is the neurophysiological process of speaking itself
Most nerve cells use messenger chemicals to communicate. Now science is learning more about the brain's rarer, lightning-fast electrical signaling
Loss of smell can be distressing and is associated with disorders such as depression. Smell training may help recover the sense
New techniques could diagnose autism in babies, enabling more effective treatment while the brain is most malleable
A small Amazon tribe, the Pirahã, have no number system. Is the reason neurological--they cannot count--or psychosocial--they just do not want to? An interview with Daniel L. Everett
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