The brain sits snugly inside the skull, but it's not a completely flush fit - there is still a layer of fluid between bone and soft tissue that serves as a natural shock absorber. Some shocks, however, can't be absorbed, and when the head gets clobbered too hard, the brain can twist or torque or rattle around inside its skeletal casing.
Jeffrey KlugerRelated topics
absorber bone brain casing fit fluid flush hard head inside layer natural rattle shock skull soft tissue torque twistRelated quotes
If you want to be a real human being - a real woman, a real man - you cannot tolerate things which put you to indignation, to outrage. You must stand up. I always say to people, 'Look around; look at what makes you unhappy, what makes you furious, and then engage yourself in some action.'
Stephane Hessel
It is terrible to see how a single unclear idea, a single formula without meaning, lurking in a young man's head, will sometimes act like an obstruction ... in an artery, hindering the nutrition of the brain, and condemning its victim to pine away in the fullness of his intellectual vigor and in the midst of intellectual plenty.
Charles Sanders Peirce
I always felt mean, jogging back over the logging road,
As if I had broken the natural order of things in that swampland;
Disturbed some rhythm, old and of vast importance,
By pulling off flesh from the living planet;
As if I had committed, against the whole scheme of life, a desecration.
Theodore Roethke
Since the universe must contain millions of appropriate planets, consciousness in some form - but not with the paired eyes and limbs, and the brain built of neurons in the only example we know - may evolve frequently. But if only one origin of life in a million ever leads to consciousness, then Martian bacteria most emphatically do not imply Little Green Men.)
Stephen Jay Gould
As a means of variation from a normal type, sickness in childhood ought to have a certain value not to be classed under any fitness or unfitness of natural selection; and especially scarlet fever affected boys seriously, both physically and in character, though they might through life puzzle themselves to decide whether it had fitted or unfitted them for success.
Henry Adams
