Also, some organisms are resistant to heat. But really, the bigger issue (IMO) is that people don't know how to define "boiling". It's one of those things that

Also, some organisms are resistant to heat. But really, the bigger issue (IMO) is that people don't know how to define "boiling". It's one of those things that you don't think is an issue until you're teaching people to cook, or work in a lab. There's surprising variation. One person's "barely steaming" is another's "full boil".