I do like this article by Larry Kim. He shows simple daily habits we could add into our daily routine to sharpen our intelligence.
He suggests the following habits:
- Follow ideas through to various outcomes.
- Add 10–20 minutes of aerobic exercise to your day.
- Engage in stimulating conversation.
- Take online courses.
- Give your brain a break.
- Practice a hobby.
- Look, Listen, Learn
Read the article here
source: Larry Kim