Hartismere School

An outstanding coeducational secondary school and sixth form college

The Addams Family Musical

13th to 16th March 2019
Tickets now on sale

From Instagram :: Why do onions make you cry?

When this airborne sulphur containing compound hits the eye, it has a similar effect to tear gas. Propanethial-S-oxide.

Not present in onions, its formed when you chop an onion, causing two chemicals to mix ...