Scientist reveals what you should really do if wasps gatecrash your picnic - and why you should never run away

“Keep your mouth closed and avoid breathing heavily to minimise the release of carbon dioxide, which wasps use as a cue that a predator is attacking,” said Professor Seirian Sumner (UCL Biosciences) on what to do when confronted with a wasp during your picnic.

Read: The Conversation, More: Mail Online, BBC Future, Listen: BBC Essex ‘Sonia Watson’ (from 1 hour 42 minutes 56 seconds); UCL News