Selective: Gold flakes glow when they are bathed in light and now we know how – Daily News Circuit
#Gold #flakes #glow #bathed #light Gold glistens, but thin gold wafers can…
“Monkeys surprise the archaeological world with their creation of stone flakes, challenging the legitimacy of ancient human ‘tools'”
#Stone #flakes #monkeys #cast #doubt #ancient #human #tools Macaques using stones to…