Well, that would seem to be good news, apart from the drowning part. After all, there are plenty of conveniently-located rivers near me, such as the Thames, and the south coast of England is a short distance away. Unfortunately, it's not as simple as that, says Vinther. The vast majority of things that fall into a river won't fossilise because hardly anything stays intact for long, due to currents and scavengers. The same goes for the ocean close to the coastline. It's possible that a low-circulation lake could work – many of the well-preserved feathered dinosaurs found in China were buried this way – but you need specific conditions. Many of these exceptional Chinese fossils were subsumed in ash from nearby volcanic eruptions, which is quite an unusual scenario to hope for if you live in the UK.

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