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Pre-colonial polities in the Philippine archipelago Polity / Kingdom Period Today part of Ijang: Unknown – 1790 Batanes: Lawan: Unknown –1605 Samar, parts of Eastern Visayas: Samtoy Unknown – 1572 Ilocos Region: Ibalon: Unknown – 1573 Bicol Region: Kumintang: Unknown – 1581 Batangas City: Taytay: Unknown – 1623 Northern Palawan ...
The oldest known pills were made of the zinc carbonates hydrozincite (described 1853) and smithsonite (described 1832). Calamine is a historic name for an ore of zinc (hemimorphite (IMA1962 s.p.) and smithsonite). [6] De architectura (about 15 BC) of Marcus Vitruvius Pollio, Libri X, vol. VII, Caput 8.
The balangay was the first wooden marine vessel ever excavated in Southeast Asia. It is also known as the Butuan boat, as nine specimens of these boats, dating back to pre-Hispanic times (the earliest being in 320 CE), were discovered in 1976, Butuan, Mindanao. It is believed that the Austronesians migrated to the Philippine archipelago, riding ...
The first Austronesians reached the Philippines at 3000–2200 BCE, settling the Batanes Islands and northern Luzon. From there, they rapidly spread downwards to the rest of the islands of the Philippines and Southeast Asia, as well as voyaging further east to reach the Northern Mariana Islands by around 1500 BCE.
The two discovered a new element in a molybdenum sample that was used in a cyclotron, the first element to be discovered by synthesis. It had been predicted by Mendeleev in 1871 as eka-manganese. [171] [172] [173] In 1952, Paul W. Merrill found its spectral lines in S-type red giants. [174]
The Canatuan mine was a gold/silver, copper/zinc open-pit mine located in the province of Zamboanga del Norte on the southern island of Mindanao, Philippines.The mine was operated from 2004 to January 2014 by TVI Resource Development (Phils) Inc., a former subsidiary of Canadian-based TVI Pacific Inc.
Luz Oliveros-Belardo was director of the Natural Sciences Research Center at the Philippine Women's University.She became Dean of the College of Pharmacy in 1947. [4] Her research focused on extracting essential oils and other chemicals from native Philippine plants for pharmaceuticals, food production, scents, and other applications. [2]
The Rizal Archaeological Site pushed back the first known human activity in the Philippines 10 times earlier. Prior to the excavation, the oldest fossil discovered in the country was the foot bone found in 2010 in Callao Cave, Cagayan Valley. The bone was dated at least 67,000 years old. [3]