Dan explores the terrifying, brutal truth of this vicious breed of hornet. Plus, what is this mysterious disease wiping out frogs in the UK? Dan speaks to Dr Stephen Price to find out more. Catch up with the Science Weekly for a look-back on the news from this week in the science world, plus experts like Professor Hallux!

A Garden to the Guildhall: a free Time Hunters history walk around the City of London
44:19

A Bridge to the Barbican: a free Time Hunters history walk around the City of London
50:06

The Great Fire Trail: a free Time Hunters history walk around the City of London
1:02:38