Take One: Action! is the UK's first major film festival all about people and movies that are changing the world. The festival celebrates Scotland's global connections - from South Africa to Nicaragua - and explores global challenges in which Scotland has a vital role to play - from climate change to the rules about how poor nations trade.

The Edinburgh International Book Festival pitches camp in Charlotte Square Gardens this year between 9th and 25th August, hosting a staggering 800 authors from around the world. The quality and range of authors always draws wide interest, and this year is no exception. Following the launch of ticket sales last month, heavy traffic made the web site inaccessible for a while and a good number of events have already sold out.

Are you interested in the ethics of science?