Earn a PhD in Beards. You may need to enlarge.. A man HAS BEEN A SHIN III SINCE THE DAWN III TIME SCIENTISTS BELIEVE PREHISTORIC MEN HAD BEARDS FOR: WARMTH and  Earn a PhD in Beards You may need to enlarge A man HAS BEEN SHIN III SINCE THE DAWN TIME SCIENTISTS BELIEVE PREHISTORIC MEN HAD BEARDS FOR: WARMTH and