Russia has devalued its currency, the rouble, for the third time this week and the seventh time this month. It takes it to its lowest value against the US dollar since January 2006.
The Russian currency has been hit by the price of oil, which is Russia's main export. Oil prices are more than 100 US dollars a barrel below their July peak.
A cookbook based on notes by Charles Darwin's wife Emma, has been published in Britain, a fascinating testimony of Victorian times. Emma Darwin's Recipe Book features more than 40 dishes from her personal cookery notebook, which is housed in Cambridge University Library.
Official figures have revealed that Japanese manufacturing has dropped at its fastest rate on record, with companies closing factories and cutting jobs. Industrial output in Japan plummeted by a record 8% in November compared with the previous month.

Vancouver is the world's best place to live, a survey by the Economist Intelligence Unit (EIU) has found. In Latinamerica Montevideo, Santiago and Buenos Aires are the most liveable although none of them offers ideal conditions.

Britain's economic problems and the insecurity people are feeling in today's uncertain times were acknowledged by the Queen in her Christmas Day message.

China has said it is to allow some trade with its neighbours to be settled with its currency the Yuan. The pilot scheme was announced in a package of measures designed to help exporters hit by the global downturn.
The biggest flu outbreak for eight years could be on its way in the United Kingdom, the Royal College of General Practitioners (RCGP) warned after a 73% rise in people seeing their doctor with flu-like symptoms.
The United Kingdom economy shrank faster between July and September than had previously been thought, official data showed. The Office for National Statistics (ONS) said it had contracted by 0.6% in the quarter - its previous estimate had been a contraction of 0.5%.
Madonna's triumphant Sticky & Sweet has ended with 2,350,282 people attending and a gross of over 280 million US dollars in ticket sales for 58 concerts. Madonna performed in Europe, United States, Canada followed by Mexico, Argentina, Chile and Brazil where her last show was on December 21.
The era of cheap gas is coming to an end, Russia's Prime Minister Vladimir Putin has told ministers from the world's major gas-exporting countries. Putin said the cost of extracting gas was rising sharply therefore the era of cheap energy resources, of cheap gas, is of course coming to an end.