Here’s a short article that just makes me pause in wonder for two reasons: 1) That a pool of water can remain untouched for two billion years (and we have the technology to figure that out), and 2) half the Earth’s water predates the formation of our sun.

And here’s a more detailed article from earlier this month on that same topic.

Couple that with traces of single-cell organisms that once resided in that pool, it reminds of the long, amazing journey life on our planet has taken to get here.