The Chemical Mind: Crash Course Psychology #3
Why the open web links it
Explains how neurons and neurotransmitters function in the brain, focusing on the psychological and physiological response to fear.
Linked by 15 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including wikipedia.org, mcgill.ca, libretexts.org, bravisthemes.com, 1200artists.com.