Facts about Gold (the element)
- 07
Recycled gold accounts for approximately 25% of annual gold supply worldwide, making it the most recycled precious metal and reducing the need for environmentally damaging mining operations.
- 06
Neutron bombardment of gold-197 produces gold-198, a radioactive isotope with a 2.7-day half-life used in medical treatments for certain cancers since the 1960s.
- 05
The human body contains approximately 0.2 milligrams of gold distributed throughout tissues, with the highest concentrations found in bone marrow and blood plasma.
- 04
A single ounce of gold can be hammered into a sheet thin enough to cover 300 square feet, demonstrating its exceptional malleability among all elements.
- 03
During World War II, the United States stored approximately 147.3 million ounces of gold at Fort Knox, making it the world's largest gold reserve by 1945.
- 02
One cubic meter of seawater contains approximately 50 grams of dissolved gold, though extracting it economically remains technologically unfeasible.
- 01
At 1064 degrees Celsius, gold reaches its melting point, making it one of the most workable precious metals for jewelry crafting since ancient times.