rare metals

Humans are in an ironic situation, a treasure trove of rare elements is spilled out along with water considered too polluted and expensive to clean.

The world's most popular and popular spice, but few know that vanilla is the most expensive flavoring.

'Explore the Moon': from an adventure to a piece of money-making cake.

There is a scientific hypothesis that in the early period about 4 billion years ago, the Earth did not have a piece of gold.

About 65 million years ago, an asteroid collided with Earth destroyed the life of dinosaurs.

Recently, researchers at Caltech have developed a new, more efficient and compact method of storing quantum data than traditional methods.

Geological scientists found large amounts of gold and silver in reservoirs in many New Zealand volcanoes.

Gold and diamonds are commonly known as rare and expensive metals in the world. But few know that there are other rare and more expensive metals because of their special use.

US scientists discovered one kilogram of human feces contained 0.4 mg of gold, nearly 30 mg of silver and more than 600 mg of copper.

China is planning to build bases on a meteorite to exploit precious metals worth up to billions of dollars.