Why onions make us cry

19 August 2009 - 02:00
By unknown

WHEN we peel onions they send out a substance that irritates our eyes. This oil contains sulphur that gives onions their sharp smell and causes our eyes to water. We cry to try and wash the substance away. -

WHEN we peel onions they send out a substance that irritates our eyes. This oil contains sulphur that gives onions their sharp smell and causes our eyes to water. We cry to try and wash the substance away. -

Tell Me Why?, Chancellor Press