Embark on a fascinating 13-minute investigative journey exploring the widely circulated claim that human blood vessels can stretch 100,000 kilometers - long enough to wrap around Earth twice. Follow along as extensive research spanning over a year uncovers the truth behind this popular scientific assertion, revealing outdated science, speculative conclusions, and numerous dead ends. Learn how scientific facts can become distorted and perpetuated across the internet, while gaining insights into the importance of thorough fact-checking and critical analysis of commonly accepted scientific claims.