Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 816 posts.

Life, Learning & Writing
2022
377

Sleep helps process emotions

Researchers at the Department of Neurology of the University of Bern and University Hospital Bern identified how the brain triages emotions during dream sleep to consolidate the storage of positive emotions while dampening the consolidation of negative ones. The work expands the importance of sleep in mental health…

379

Koch method to learn Morse

The Koch method is based on exposing the student to full-speed Morse from day one. The first lesson starts with just two characters, played in full speed. The student must "copy" them (i.e. writing them down or typing them, like in this page). Once 90% of the characters are correctly "copied", the student can go move…