4. Here are the 10 winners of the 2012 Ig Nobel Prizes given to scientists, writers, and peacemakers who make silly but thoughtful contributions to the world, or as the Annals of Improbable Research puts it, "first make people laugh, and then make them think." I can vouch for them making us laugh!
5. The country has rolled out measures to promote new-energy vehicles, including tax exemptions, subsidies for car purchases and a requirement for government departments to buy more new-energy cars.