If turned into a 5 micron wire, about one twentieth the thickness of a human hair, all of the world’s existing gold could be wrapped around the globe 7.2 million times.
Over 100 million people worldwide depend on gold mining for their livelihood.
Central banks bought 534.6 tonnes of gold in 2012 - the highest level since 1964.
In 2001, a remarkable feat was achieved when Boston Scientific’s gold-plated stent (the Niroyal) was used for the first time in heart surgery. The stent is inserted in large arteries and veins to ensure the blood vessels stay open and adequate blood flow is available.
The Olympic gold medals awarded in 1912 were made entirely from gold. Currently, the gold medals just must be covered in six grams of gold.
Gold is chemically inert, which also explains why it never rusts and does not cause skin irritation.
Amid recession fears in March 2008, the price of gold topped $1,000 an ounce for the first time in history.
Gold is edible. Some Asian countries put gold in fruit, jelly snacks, coffee, and tea. Since at least the 1500s, Europeans have been putting gold leaf in bottles of liquor, such as DanzigerGoldwasser and Goldschlager. Some Native American tribes believed consuming gold could allow humans to levitate
The largest gold nugget ever found is the “Welcome Stranger” discovered by John Deason and Richard Oates in Australia on February 5, 1869. The nugget is 10 by 25 inches and yielded 2,248 ounces of pure gold. It was found just two inches below the ground surface.
The purity of gold is measured in carat weight. The term “carat” comes from “carob seed,” which was standard for weighing small quantities in the Middle East. Carats were the fruit of the leguminous carob tree, every single pod of which weighs 1/5 of a gram (200 mg).