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Humans don't lay eggs for one reason: a 100-million-year-old viral infection. 🦠 Meet Syncytin-1, the "Ancient Architect" hiding in your DNA. This viral "Hack" allowed our ancestors to fuse cells and create the placenta, protecting you from your own mother’s immune system. You’re alive because a parasite decided to stay.

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00:00You weren't born in an egg because an ancient virus tapped your ancestors.
00:068% of your DNA wasn't written by humans.
00:10It's the work of ancient retroviruses.
00:13For eons, we called this junk DNA.
00:17We were wrong. This hitchhiker changed evolution forever.
00:22Meet Singsitin 1.
00:24Originally a viral infection, we hijacked it to build the placenta.
00:28This viral glue stops a mother's body from rejecting her baby as a foreign parasite.
00:35The enemy became the architect.
00:38Without this infection, humanity simply wouldn't exist.
00:43If you could delete that viral 8% from your body, would you risk it?
00:48Would you risk it? Comment below, because remember…
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