At the age of eleven, I began Euclid, with my brother as my tutor. This was one of the great events of my life, as dazzling as first love. -- Bertrand Russell

Benoit Mandelbrot's book on Fractal Geometry.

L. S. Stavrianos's The World to 1500: A Global History .

Dale Purves and others' Textbook Neuroscience .

A few intrigering facts about retina extracted from Masland RH (2001). The fundamental plan of the retina. Nat. Neurosci. 4 (9): 877–86

Roll's book on Cerebral Cortex.

Matt Mahoney's tutorial on data compression.

Homeworks and recitations I designed for the machine learning class in 2010 spring
HW1, Decision Trees and Information Theory, solution
HW2, Multiclass Classification, solution
HW3, Linear regression, and bias-variance trade-off, solution
HW4, Learning Theory , solution
HW5, AdaBoost, solution
recitation, Linear Algebra and Matlab
recitation, Expectation-Maximization
recitation, Computational Learning Theory
recitation, Boosting