In the early 160s AD, Galen moved to Rome to work and, with the exception of a brief return to Pergamum, spent the remainder of his life in the Roman capital. He became physician to the emperor Marcus Aurelius and would later serve in the same role to Aurelius's successors, Commodus and Septimius Severus.
A primitive corn was being grown in southern Mexico, Central America, and northern South America 7,000 years ago. Archaeological remains of early maize ears, found at Guila Naquitz Cave in the Oaxaca Valley, date back roughly 6,250 years; the oldest ears from caves near Tehuacan, Puebla, date ca. 3,450 BC.
The Corn poppy (Papaver rhoeas) is a wild growing papaver species, which usually has got red tepals around a black center. This poppy is the largest and most common of three wild papaver species in Denmark, and it has got its name because it was earlier common as a weed in the corn.Its natural habitat is most of Europe, North Africa, Caucasus, Iran and the Indian subcontinent.he close relative Papaver somniferum, the opium poppy, is cultivated in many places for extraction of opium from the sap of the seed capsules. The opium poppy is about 30 -90 cm tall, it has large white or pale purple or variegated flowers during summer.