Probability seminar at the University of Warsaw (in Polish)
Other seminars at the Faculty of Mathematics, Computer Science and Mechanics, University of Warsaw
Blog ks. W. Lemańskiego
Favourite math blogs
What′s new by Terrence Tao
Combinatorics and more by Gil Kalai
Timothy Gowers′s Weblog
Libres pensées... by Djalil Chafaï
Photo galleries
Shorpy - the 100-year-old photo blog
History of Science
The History of Science at the Royal Society Web Pages. Not only for the Baroque Cycle fans.
Some music
Varsaviana (pl) :
Warszawskiej Pragi dzieje dawne i nowe (.pdf)
Cloudy Water Sport - the OSWD theme I used for this page