They survived 400,000 years of ice ages. They hunted cave lions face to face. Their brains were bigger than yours. And then — in just 5,000 years — they vanished. Science spent a century looking for the answer. A 2026 study from the University of Montreal finally found it. And it changes everything you thought you knew about what keeps a species alive.

In this video, we investigate the real reason Neanderthals disappeared — using the latest research from Burke (2026), Fattorini (2025), and the University of Reading (2023). What we found is not what anyone expected.

🔬 SOURCES:

- Burke et al. (2026) — "Climate and competition alone cannot explain Neanderthal extinction" — Université de Montréal

- Amadei, Lin, Fattorini (2025) — "A simple analytical model for Neanderthal disappearance due to genetic dilution" — Scientific Reports

- University of Reading (2023) — First direct evidence of Neanderthal cave lion hunting — Scientific Reports

- Hoffmann et al. (2018) — Neanderthal cave art dating — Science

- Solecki (1960s) — Shanidar Cave excavations, northern Iraq

Neanderthals were not the failures your textbooks described. They were the toughest version of human that evolution ever produced. And 2–4% of your DNA proves they never truly disappeared.

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