HOUSTON, Oct.

Pupils' fifth city science festival set to be bigg

As Newcastle celebrates its annual Science Festival, we take a look at some of the events on offer Thousands of visitors have been taking part in Science Festival activities, from tracking birds of prey in the Derwent Valley to uncovering facts about UFOs, building robots and unearthing fossils.

Some of Britain's top scientists are coming to Tyneside to reveal the secrets behind everyday inventions. Newcastle's second Science Festival will feature shows, talks and debates with internationally-acclaimed scientists, celebrity presenters and writers.

It burps, sneezes, passes gas and just down right stinks.