This will map for the first time iron, magnesium, aluminium and silicon over the moon's entire surface.

ECONOMIST: Astronomy

In 2010 a team of researchers from Washington State University found that artificial regolith containing silicon, aluminium, calcium, iron and magnesium oxide could be used by 3D printers to create solid objects.

BBC: 3D printed moon building designs revealed

Japanese researchers say the basalt in NWA 011 suggests the body from which it did originate had a core of molten iron with an outer covering of silicon and aluminium that formed a basaltic crust.

BBC: Mercury meteorite puzzle

He said even 24 years later, people who lived in Camelford at the time of the poisoning should drink a litre of mineral water with a high silicon content every day as this could help flush aluminium from their bodies.

BBC: Carole Cross