Parenthood is endowed with a few rites of passage. Among the more treacherous is stepping barefoot on a Lego. There is an actual scientific explanation as to why stomping on the (often) lurking tiny evil of little people hurts. So. Very. Much. It’s partly our fault — we have an estimated 200,000 sensory receptors in our feet. Also, Lego (never say "Legos" — it’s akin to sacrilege) are composed entirely of ABS plastic. According to the American Chemical Society (ACS), the plastic is a polymer chain made up of three key molecules: acrylonitrile, which gives the bricks their strength; butadiene, which helps them resist any deformation; and styrene, for that Lego shininess. In other words: "That little brick doesn’t give at all under the pressure of your weight, cramming it way up into your foot [and] giving your A-delta fibres [nerve cells that are responsible for sensing pain] a whole lot to talk about," the ACS says. I realise that biology and material science are of little help in t...

Subscribe now to unlock this article.

Support BusinessLIVE’s award-winning journalism for R129 per month (digital access only).

There’s never been a more important time to support independent journalism in SA. Our subscription packages now offer an ad-free experience for readers.

Cancel anytime.

Would you like to comment on this article?
Sign up (it's quick and free) or sign in now.

Speech Bubbles

Please read our Comment Policy before commenting.