Many people in the wealthy neighbourhood of Brentwood have been told to leave, as the Palisades Fire spreads east.

Here, we take look at some of the most expensive paintings ever sold in art history. Find out which Andy Warhol painting ...

Could our traditional alcohols be less damaging to the environment, and to our health? Mridula Ramesh offers some answers, in Part 2 of a Trade-Offs special.