We automatically throw the little nub of plastic upward.

T shirt isn't really getting to the nub of the issue.

But I think if you cut through those forces, you get to what might be the deeper driver, the nub of the question, which is how we think about time itself.

They were potentially taking a nice piece of flint with them, along the landscape, so that when their current tool ran out, or got down to kind of a nub, they could make themselves a new one.

Just to illustrate what to do about the nub of the problem, namely, light vehicles, here are four ultra light carbon composite concept cars with low drag, and all but the one at the upper left have hybrid drive.