We can verify this viral claim is true, but to an extent - based on how often you experience freezing conditions.

Clamshell containers, cups and other food ware items made from expanded polystyrene foam are popularly—though incorrectly—called Styrofoam, which is a registered brand name for styrene foam ...

This question is often best answered by example. Imagine a styrofoam cup with a hole in the bottom. If I then pour honey into the cup I will find that the cup drains very slowly. That is because honey ...