Strontium unit Strontium unit The strontium unit is a unit used to measure the amount of radioactivity from strontium-90, a radionuclide found in nuclear fallout, in a subject's body. Since the human body absorbs strontium as if it were calcium, incorporating it into the skeleton, its presence is very common. One strontium unit is equal to one picocurie from strontium-90 per gram of calcium (37 becquerels per kilogram) in the subject's skeleton. The United States National Academy of Sciences holds that the maximum safe measure of strontium-90 in a person is one hundred strontium units (3700 Bq/kg). The average American is estimated
Si Pitung Si Pitung Si Pitung (Old spelling: Si Pitoeng; or sometimes written just Pitung) was a 19th-century bandit in Batavia, Dutch East Indies (modern-day Jakarta, Indonesia). His exploits have since become legendary, with numerous accounts of his life, deeds, and death. Pitung was born in Pengumben, a slum in Rawabelong (near modern-day Palmerah Station) to Bung Piung and Mbak Pinah; he was the fourth son born to the couple. His real name was Salihoen. Based on oral tradition, the name Pitung is derived from "pituan pitulung" (Javanese for "group of seven"). As a child, Salihoen studied at Hadji Naipin's Islamic boarding