Yogurt stands in for mayonnaise, and veggies such as celery, onions or bell peppers add a bit of crunch. One serving of egg salad made with two egg whites, 1/2 ounce of plain, fat-free yogurt and 1/4 stalk of celery has 60 calories, less than 1 gram of carbohydrates and 0.5 grams of fat.
The Amazing Inventions of Heron of Alexandria. Heron, also known as Heron of Alexandria, developed many machines and mechanical devices with practical uses, showing that it was possible to take theory and put it into practice. Some of his devices were: 1  A coin operated 'Holy Water Dispenser'. 2  A water organ. 3  The Aeolipile, a steam-powered device.
Other documents as the Edwin Smith papyrus (1550 BC), Hearst papyrus (1450 BC), and Berlin Papyrus (1200 BC) also provide valuable insight into ancient Egyptian medicine. The Edwin Smith papyrus for example mentioned research methods, the making of a diagnosis of the patient, and the setting of a treatment.n 1822, the translation of the Rosetta stone finally allowed the translation of ancient Egyptian hieroglyphic inscriptions and papyri, including many related to medical matters (Egyptian medical papyri).