It's not really biology, but it's certainly related. Plus, I'm fascinated by rivers and I don't think I'm alone in that. Anyway, new mineral analyses reveal China's Yangtze River to be 45 million years old, about 40 million years older than had been previously thought.
That motivates me to do a little looking into the Yangtze's fish fauna. I don't know that much about it, with the exception of the almost mythical Chinese paddlefish - which might well be extinct. Future FOD.
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