Pal-Mates … weekend web tip.

Do you know what's in an egg?

We are pretty familiar with the eggshell, made primarily from calcium carbonate, the chemical compound which also makes up the majority of sea shells, as well as chalk and limestone. But what do you know about the layers within?

Read more about the chemistry of eggs and egg shells here.

When it comes to storing eggs, we are probably most interested in the egg's viability for hatching. This diminishes over time. The science of storage and egg quality makes fascinating reading too.