According to the U.S. Department of the Interior, iridium in the Earth’s crust is thought to have come from the same asteroid or comet believed to have caused the extinction of dinosaurs. While ...

Iridium-based catalysts are needed to produce hydrogen using water electrolysis. Now, a team at HZB has shown that the newly developed P2X catalyst, which requires only a quarter of the iridium, is as ...

One of the ways that we know when and where comets came crashing into Earth is by checking the ground for iridium. Although this platinum-colored metal is common in space, Earth’s supply of iridium ...

The oxidation state of an atom in a molecule is an important means of electron bookkeeping and determining structure and bonding, so the question of just how high oxidation states can go has long ...

Iridium is a rare and expensive corrosion-resistant metal. Discover why iridium is used in the manufacture of aircraft, spark ...