The sunk-cost fallacy - when we keep at something even when it’s really not worth it anymore, just because we’ve already put so much time or effort in - is a part of human nature. But new research shows it's also a part of the nature of - this is the best part - video game playing monkeys. Plus: our first story on world records of 2021. Meet the world's largest spam musubi!
As claims to fame go, “saw monkey” isn’t a bad one.
We are covering a LOT of ground in this roundup, as you'll see.
Some excellent links from the past week.