> that some behaviors transcend culture and go back to instinct

My first thought was "is it only Italians and Dutch, or are the two the only groups they could cover with their given funding?".

> Here we ask whether, in a task where gestures are particularly useful—namely, spontaneous demonstration in which no real object is present—speakers of a high-gesture (Italian) and a low-gesture (Dutch) culture show similarities or differences in how they teach to adults versus children.