Rats 'will evolve to size of sheep'

Dr Zalasiewicz discusses how rats are successfully adapting to the modern world.

04 February 2014

4 minutes

This clip is from

Today—04/02/2014

Pests and Vermin
When does something small and furry stop being cute and start being vermin?
Science and Nature clips
Listen to a selection of clips from recent and upcoming programmes.

NHS 'very good at preserving privacy'
Duration: 11:31
'Entire evidential base of Hillsborough inquiries flawed'
Duration: 04:48
'The last attempt' at Pakistan Taliban peace talks
Duration: 04:20

Polanski under pressure after Zionism row & by-election loss
Duration: 05:17
Firing squad execution to be livestreamed, Pentagon says
Duration: 03:10
Christa Pike's lawyer speaks to the BBC
Duration: 05:12
Burnham in Berlin for UK-Germany security talks
Duration: 02:55