Topic

Heavy Metals

2 facts

  • Earth149 views

    There Is Enough Gold in Earth's Core to Coat the Entire Surface

    Scientists estimate that the Earth's core contains enough gold to cover the planet's surface with a layer nearly 1.5 feet thick. This immense amount of heavy metals sank to the core during Earth's formation due to gravity.

  • Science103 views

    Pure Gold Is Edible And Biologically Inert

    While many heavy metals are toxic, pure 24-karat gold can pass through the human digestive system without being absorbed, often used in gourmet food decoration or certain medical treatments. It has no nutritional value.