Is Life only 3.5 billion years old, or older?

[opentreeapi]

The latest research shows life may be 3.8, or even 4.1 billion years old, not 3.5 as shown in the Circle of Life. See here: https://en.wikipedia.org/wiki/Evolutionary_history_of_life
This matters greatly since the earlier life began on Earth, the easier it presumably is to establish. This has profound effects on our expectations for life on other worlds too, as we ramp up our collection of Earth-like planets in the galaxy and beyond.
Please consider updating the origin of life date in your model.

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Author	Scott Baker
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[mtholder]

Hi, Thanks for the comment. I agree that the age is an important thing to get right. I think you are referring to the tree that appeared https://www.scientificamerican.com/article/all-2-3-million-species-are-mapped-into-a-single-circle-of-life/ While that tree is based on work of this project, the age isn't. We are hoping to have age estimates for the nodes of the tree at some point, but currently our tree does not have age estimates.