Radio 4 in Four - Why do nuts have hard shells? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - Why do nuts have hard shells? - ÃÛÑ¿´«Ã½ Sounds
Why do nuts have hard shells?
David Baddiel tries to understand the reasons behind a deceivingly simple question.
David Baddiel tries to understand the reasons behind a deceivingly simple question.