The spokeswoman says if you get an e-mail you are not sure about, forward it or send a separate message to ContactETS@ets.org.

VOA: special.2010.02.18

Thomas Ewing, a spokesman for ETS, declined to comment on the investigation, but in a written statement called the security measures for tests taken in South Korea "among the most stringent of any country in which the SAT is administered, " adding that a security review for the country is under way.

WSJ: SAT Scandal Shines Harsh Light on South Korean Academics

The climate committee must decide by late 2011 the best way to put a price on greenhouse-gas emissions: an ETS, a carbon tax or a hybrid of both.

ECONOMIST: The government considers a carbon tax

Mr Larson summarised the numbers game that a hunt for ETs necessarily entails.

BBC: 'No evidence' for extraterrestrials, says White House