Dr Karl answers your science questions, including why women tend to live longer than men.
What now for Ferguson and the family of Michael Brown?
A Missouri grand jury rules that the officer who fatally shot a teenager won't be charged.
Hamilton wins the F1 World Championship for the second time with a victory in Abu Dhabi.
Militant group al-Shabab claim responsibility for killing 28 bus passengers in Kenya.
President Obama says he won't give up his plans for immigration reform.
Live coverage and reaction to Ukip's parliamentary by-election victory in Kent.
Rhod Sharp with news, interviews and stories from around the world.
Reaction to the latest violence in Israel, and Herbie Hancock on a lifetime in music.
MPs call for a review of child protection systems following the Rotherham scandal.