A Hacker News user shares how to make your own safe and effective plastic tooth aligners, straightening your teeth while saving a bunch of money.


A farm owner in Corbin, Kentucky shares how his grandfather worked for the original Colonel Sanders (and shares the diner that still serves the original KFC fried chicken recipe.)


A thread on the importance of acoustics for food storage.


In a thread about people with names that break computers, one HN user discusses having a vanity license plate called “NULL”.


An interesting discussion about rare fruits and vegetables that are not often found in supermarkets.


If you experience a thoughtful, surprising or delightful moment on HN, submit your suggestions to us for future HN Highlights via macro@ycombinator.com.