Russia’s biggest carmaker Avtovaz plans to control up to 40% of the Russian car parts market, now estimated to be worth than $US 4 billion. Avtovaz's President Boris Alyoshin says he is not excluding the possibility of further expansion into other countries.

A hundred years ago the mysterious so-called Tunguska meteorite flattened 2,000 square kilometres of Siberian forest. Professor of geochemistry and planetology from the University of Vienna, Chris Koeberl, throws more light on the phenomenon.