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Humanity May Have A Mysterious New Ancestor

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The most comprehensive genetic study of Indigenous Australians to date has unearthed a mystery. We know that humanity's closest relatives are Neanderthals and Denisovans, but the new study came up with a DNA discrepancy that may point to a third unknown species. Get the whole story in the videos below.

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DNA Suggests A New Human Relative

It could be a flukeā€”but it could also be for real.

The Sex Lives Of Ancient Humans

Our ancestors got around.

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Sequencing Neanderthal DNA

Delve into how scientists are studying whether modern humans have Neanderthal genes.

How Did Neanderthals Sound?

Not the way you'd think. (This one's a Curiosity staff favorite.)

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Key Facts In This Video

  1. The throat of a Neanderthal is shorter than that of a human, meaning a Neanderthal voice was likely higher. 00:16

  2. Neanderthals' voices would have been affected by their deep rib cages and large nasal cavities. 00:45

  3. This is what a Neanderthal may have sounded like: 01:51

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