Is yawning among tortoises contagious?

Help

A Nobel prize may be the most sought after gong in the scientific world, but a lecturer from the University of Lincoln has picked up the next best thing.

Dr Anna Wilkinson has won an Ig Nobel prize, to honour achievements that first make people laugh and then make them think.

The award was given for her experiments into whether yawning among tortoises is contagious.

Anne-Marie Tasker reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.