slonce swieci a czarnulka ubrana na czarno
it was hot there in the Negev Desert at the bottom of the rift valley between the Dead Sea and the Gulf of Elat. The volunteer stood in temperatures that ranged from a sultry 35C to a character-building 46C. Though he is now nameless, this was his day in the sun.
The results were clear. As the report put it: "The amount of heat gained by a Bedouin exposed to the hot desert is the same whether he wears a black or a white robe. The additional heat absorbed by the black robe was lost before it reached the skin."