Update

interesting.md

@@ -15,6 +15,8 @@ The following is a "constantly work in progress" list of subjectively selected f
 - 1816, so called **year without summer**, probably caused by great volcano eruption whose effects might have given a glimpse to what it looked like after the impact of the asteroid that killed the dinosaurs -- however this time many people wrote first hand witness accounts (you can find many in old books and reports, many times just scanned on Internet archive).
 - Back before [reddit](reddit.md) became such huge shit interesting stuff could be discovered e.g. at https://old.reddit.com/r/interestingasfuck/top/, however nowadays it seems to be just a propaganda ground -- current all-time top two posts are both literally uninteresting political posts about Ukrainian war? :D Use internet archive to try to dig up the good stuff from the past maybe.
 - People with [perfect pitch](perfect_pitch.md) (rare condition that makes one be able to precisely identify any musical tone) always lose this ability some time in their 50s.
+- [North Korea](north_korea.md) due to its isolation and secrecy, e.g. its own [intranet](kwangmyong.md). Also other secret computer networks like [JWICS](jqics.md), [SIPRNet](siprnet.md), [NIPRNet](niprnet.md) etc.
+- hybrids: No, we don't actually know if humans and apes can interbreed or not, humanzees have been reported, as well as hybrids of humans and other animals, there exist some real weird photos. Ligers and tigons are also cool, but there are many other interesting possibilities. See http://www.macroevolution.net.
 - ...