Quick

• Order of the Stick
• Random Wikipedia article
• exrx.net

Mathematics

• Practical Foundations of Mathematics
• Data Mining Algorithms In R

Ex miscellanea

• Maanmittauslaitos - Avoimien aineistojen latauspalvelu
• Retkikartta
• Hackaday
• Random Nerd Tutorials
• Opin.fi

Finance

• Kauppalehti
• The Economist

Humour

• Einstein, Heisenberg and Tipler

Research

• Hitchhikers guide to PhD
• MIT OpenCourseWare

People

Photography

• The Zeltsman Approach to Traditional Classic Portraiture