Tag: Iron

The Fall of the Berlin Wall on 9 November 1989 paved the way for the reunification of Germany and reunification of Europe after more than 40 years of political and economic division between the West and the East. The fall of the Berlin Wall and the fall of the Iron Curtain hold an important place...

Iron is one of the most abundant elements in the universe, but on Earth it mostly occurs oxidized in minerals, requiring extensive extraction and refining to produce usable metal. However, some meteorites contain pure iron that fell ready-made from space. Meteorites are fragments of asteroids or ...

One of the great mysteries of Earth’s early development lies in the seemingly late oxygenation of our atmosphere and oceans. Between 2.4 and 2.3 billion years ago, our planet experienced a dramatic rise in the levels of free oxygen. This saturation of the atmosphere and oceans with significant...

Iron is one of the most abundant elements in the universe, but on Earth it mostly occurs oxidized in minerals, requiring extensive extraction and refining to produce usable metal. However, some meteorites contain pure iron that fell ready-made from space. Meteorites are fragments of asteroids or ...