(Kitco News) - "Rotor sails are cylindrical rotors, four meters in diameter and 24 meters high - equivalent to a seven-story building. During operation, the rotors rotate at different speeds, depending on the environmental and operational conditions of the ship, to create a pressure difference in order to move the ship forward, due to a phenomenon known as the Magnus effect," writes Vale.

(Kitco News) - Governments and central banks might have an interest in "stabilizing" gold prices in order to maintain public confidence, which may be an explanation as to why the gold price did not move up on the release of last month’s headline record inflation data said Frank Holmes, CEO of U.S Global Investors.

(Kitco News) - Gran Colombia Gold (TSX: GCM; OTCQX: TPRFF) announced that the company's gold production totaled 49,058 ounces at its Segovia operations in Q1 2021 compared with 50,346 ounces in Q1 2020. The company said it remains on track with its annual production guidance for 2021 of 200,000 to 220,000 ounces of gold.

(Kitco News) - Unigold (TSX.V: UGD) announced Friday an updated mineral resource estimate for the Candelones project, part of the company's 100% owned Neita concession in the Dominican Republic.