I've seen it posted on HN before, but worth mentioning again that climbing also has a culture of open evaluation and continuous improvement as well. Detailed accident reports and analysis from the American Alpine Club are available in an online database (http://publications.americanalpineclub.org/search). Rock and Ice, one of the leading media outlets for climbers, has a regular "Climbing Accidents and Prevention" column (http://www.rockandice.com/climbing-accident-reports) as well as failure testing for gear. Given the "dirtbag extreme sport" image that is often projected on climbing, the vast majority of folks I know are keenly aware of the risks and have an engineer's mindset when thinking about ways to reduce the chance of failure.

Hmmm...actually, that's very unlike many of the developers I know... ;-)