I started geeking out about neuroscience a few years ago. In 2020, I took Harvard EdX' Fundamentals of Neuroscience online course which I highly recommend for any beginners who aren't scared off by a bit of physics and chemistry.
I'd also heard lots of good things about the podcasts that Dr Andrew Huberman, an Associate Professor of Neurobiology at Stanford University, was creating and sharing for free online.
In his podcasts, Huberman shares a wealth of neuroscience information, research and everyday science-backed tips and tools to control your dopamine, build strength, sleep better etc. in an approachable way.
Podcasts aren't my preferred way of learning and Huberman's are long and dense. But after hearing so many people recommending his work, I started listening - and I took notes in an attempt to help me retain the info. I then decided to make and share visual summaries of my notes so that others could access the information too.