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The age of antibiotics began in September 1928, with the discovery of penicillin by Alexander Fleming (1881-1955), then a professor of bacteriology at St. Mary's Hospital in London. Previously there were no effective treatments against a...

Visiting Alexandria, Egypt, once the greatest cultural center of the ancient world, rivaling Athens, Greece, is an unforgettable experience. The food, the wonderful people, and the history at every turn of a street are all dazzling but, if...

The Assassins (aka Nizari Ismailis), were a heretical group of Shiite Muslims who were powerful in Persia and Syria from the 11th century CE until their defeat at the hands of the Mongols in the mid-13th century CE. Secure in their fortified...

The field of public health was transformed by the introduction of vaccination, from the Latin word “vacca” meaning cow, to guard people against infectious diseases. It was well known that exposure to infectious diseases and surviving them...

Wuzong of Tang (also Wu-Tsung, formerly Li Yan) reigned as emperor of China from 840 to 846 CE. He is best remembered today for his persecution of Buddhists, the worst such attack in all of China's history, and his early death by insanity...

The structure of deoxyribonucleic acid (DNA) was discovered in 1953 by two molecular biologists, James Dewey Watson (1928-2025) and Francis Harry Compton Crick (1916-2004). Watson and Crick were awarded the Nobel Prize in Physiology or Medicine...

The most important cash crop in Colonial America was tobacco, first cultivated by the English at their Jamestown Colony of Virginia in 1610 CE by the merchant John Rolfe (l. 1585-1622 CE). Tobacco grew in the wild prior to this time and was...

Rock art (also known as parietal art) is an umbrella term which refers to several types of creations including finger markings left on soft surfaces, bas-relief sculptures, engraved figures and symbols, and paintings onto a rock surface...

Homer's Odyssey is an epic poem written in the 8th century BCE which describes the long voyage home of the Greek hero Odysseus. The mythical king sails back to Ithaca with his men after the Trojan War but is beset by all kinds of delays and...

Oracle Bones (also known as Dragon's Bones) were the shoulder blades of oxen or plastrons of turtles (the flat underside of the turtle's shell) which were used in the Shang Dynasty of China (c. 1600-1046 BCE) for divination. The symbols carved...