Musical Milk

16 February 2009
Presented by Diana O'Carroll.

Why should milk 'change it's tune' when it's being steamed?& In this Question of the Week, we find out why the sound of steaming milk changes abruptly at around 60Ã?,°C (140Ã?,°F), and invite you to consider Sir David Attenborough's question for next week...

Add a comment