Italian craftsman Aldo Caliro has created the world's smallest nativity scene to fit on the head of a pin. He painted the tiny figures with a single hair brush. More at Ananova News, with a close-up photo at IGN.
Dr. Bill Miller, a physician in academic and private practice for over 30 years, discussed how the self is composed of a vast interdependent network of cells and microbial ecologies.
In the latter half, space historian and C2C Science Advisor Robert Zimmerman provided updates on various space missions and news, and technological developments.