Ten Things You Need to Know Today: Tuesday 20 Nov 2012

A ceasefire is due to come into effect between Hamas and Israel in Gaza tonight, Hamas spokesman Ayman Taha has told the BBC. An Islamic Jihad source told AFP: "There will be a joint news conference between Hamas, Islamic Jihad and the Egyptian mediators tonight to announce the truce." Earlier, Hamas said it executed seven people in Gaza for "collaborating" with Israelis.

The next Archbishop of Canterbury has backed the introduction of women bishops, saying it is "time to finish the job" started 20 years ago by the ordination of women priests. Speaking at today's General Synod debate and vote about the issue, the Right Reverend Justin Welby said provisions for opponents would be "carried out faithfully".

UBS banker Kweku Adoboli has been sentenced to seven years in prison after being found guilty of two counts of fraud. The jury at Southwark Crown Court acquitted the 32-year-old of four charges of false accounting relating to his activities, which cost the Swiss bank £1.4bn. Judge Mr Justice Keith told Adoboli: "There is a strong streak of the gambler in you."

David Beckham has confirmed that the MLS championship match against the Houston Dynamo on 1 December will be his last as a Los Angeles Galaxy player. He was coy about what happens next – but said he is seeking "one last challenge" as a footballer. "Seldom does an athlete redefine a sport," said Galaxy's grateful boss, Tim Leiweke.

Apes have midlife crises just like the humans, according to research published today. Scientists studied 500 captive apes to establish that they followed the same 'U' shape of happiness level, with least happiness in midlife, which showed that a mid-life crisis cannot be blamed on the "paraphernalia of modern life".