Now, before the flaming starts, that's a gross overgeneralization, I know. But the fact is that teaching of the next generation of scientists and engineers is about the worst paying job a well educated one can have in those disciplines, and the good people in it see it as a calling.
Part of the reason Finland's education system (through which I went) was so good was that your STEM teachers (ditto for foreign language) in middle/high school typically had a full master's in their discipline plus education studies, and they were paid enough to make this a worthwhile endeavor.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 339
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.slashdot.org. IN AAAA
;; Query time: 39 msec
;; SERVER: 2607:fe50:0:f201::2#53(2607:fe50:0:f201::2)
;; WHEN: Thu Jun 2 21:02:28 2011
;; MSG SIZE rcvd: 34
Kind of ironic, actually, that the geek news site has geek news about a geek event, but no indications of participating.