HYKE     (HYperbolic and Kinetic Equations : Asymptotics, Numerics, Analysis)

Conservation Laws Preprint Server

MathSciNet

Clay Mathematics Institute     (A look to the Millennium Prize Problems)

UMI      (Unione Matematica Italiana)

AMS      (American Mathematical Society)

Math Archives

the Mathematics Genealogy Project     ( :-o )

CICAP     (Comitato Italiano per il Controllo delle Affermazioni sul Paranormale)

Quackwatch      (Your Guide to Health Fraud, Quackery, and Intelligent Decisions)

CSICOP     (Committee for the Scientific Investigation of Claims of the Paranormal)

The Community of Brights      (I am a Bright!)

LINUX