What happens to your body in the first hour after you die?

Your heart has beaten over two and a half billion times, but what happens inside your body after the final beat? In this video we walk through the first hour after death, minute by minute, using real science and no gore: why the brain is the first organ to shut down, what studies found about brain activity and hearing in the last moments, why the skin turns pale, the body cools and the blood settles, and what your cells are doing in the meantime. We also bust a popular myth about hair and fingernails. It's a lot less creepy and a lot more fascinating than you imagine. Tell me in the comments which part surprised you most, and let me know if you want a part two covering the following hours and days. 📚 RESEARCH & SOURCES: 2023 study (Xu et al., PNAS 120(19), DOI 10.1073/pnas.2216268120). Researchers analyzed records from four people whose life support was withdrawn, and two of them showed surges of gamma waves. Gamma waves are considered the fastest brain activity and are associated with consciousness. The authors themselves warn that the surge suggests conscious processing but doesn't prove it, and it could be a pathological process unrelated to consciousness. 2020 study (Blundon, Gallagher and Ward, Scientific Reports 10:10336, DOI 10.1038/s41598-020-67234-9, full text). Thirteen families took part, and brain recordings were obtained from five patients while they were unresponsive. The lead author clarifies that their brains responded to the sounds, but there's no way to know whether the patients remembered, recognized voices, or understood language. #humanbody #science #facts #death #biology