Eggs reveal what may happen to brain on impact

Our brains consist of soft matter bathed in watery cerebrospinal fluid inside a hard skull, and in a new article, researchers describe studying another system with the same features, an egg, to search for answers about concussions. Considering that in most concussive brain injuries, the skull does not break, they wanted to find out if it was possible to break or deform the egg yolk without breaking the eggshell.