Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

You can get the answers to geometry dimensions of several shapes, and you can solve for area, side, perimeter, diagonal, ...

Abstract: The problem to construct optimal conflict-avoiding codes of even lengths and the Hamming weight 3 is completely settled. On the contrary, it is still open for odd lengths. It turns out that ...