Ultrasound scans show that two-month-old babies hiccup in the womb, before any breathing movements appear.

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But in fact he and his colleagues made a surprising finding at Oxford: that fetal lambs spent most of the day making vigorous breathing movements, and that these were essential to the growth of their lungs.

ECONOMIST: Mont Liggins | The

They monitored my heart rate, breathing, skin sweat level, eye movements and body orientation while I watched a series of videos.

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After an hour of rigging they bid me good night and retreat somewhere to monitor my eye and leg movements, brain waves and breathing.

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So potent is the nonverbal link between individuals that, when we are in genuine rapport with someone, we subconsciously match our body positions, movements, and even our breathing rhythms with theirs.

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