bicycle problems Any monkeys good with the spanner and know a bit about bicycles. I have a problem that needs urgent fixing to prevent me from going over the handlebars a second time. more inside

No street signs. No crosswalks. No accidents. Surprise: Making driving seem more dangerous could make it safer. Counter intuitive (to me) but by all accounts reduces accidents by making people interact with each other. more inside

How to give and receive criticism. RTFA prior to commenting! more inside

Acceptable US military policy? As a water supply engineer I find the practice of depriving the civilain population of fallujah drinking water to be particularly abhorrent. Oh yeah ... and it's against the Geneva conventions.