Why does cutting an onion make you cry? Science Short
Felix, from Hunters Hill, wants to know why slicing into an onion can leave our eyes stinging and tears streaming down our faces.
In this week’s Squiz Kids Science Short, Christie breaks into the onion’s tiny chemical security system, discovers how cutting it releases an irritating mist into the air, and reveals why a blunt knife may make things even worse.
Plus, do any of those strange onion-chopping tricks actually stop the tears?
The skinny
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