Why Onions Make You Cry (Parent Q&A)
This guide supports discussion of how cutting an onion leads to reflex tears. Open Full Article...
reflex tears
Why Onions Make You Cry (Lesson Plan)
This plan helps you guide a learner aged 11 to 16 through the science of onion tears. Open Full Article...
Why Onions Make You Cry
An onion is built from living plant cells whose contents are carefully organised. In an intact onion, this organisation keeps certain substances apart. Open Full Article...