This is a sort of comment to an article from The New Scientist. Because of some findings of ancient bones or remnants of tools, it seems some think the only possible explanation is early seafaring. Perhaps. But not so fast with concluding it is "proved". There could over long timespans come other opportunities that seems unlikely in the short run. And if there really existed such very ancient seafarers, should we not expect sooner or later direct evidence? The objection could be likely boats and rafts would usually decay completely over the millenia, but I suspect there would in the long run be at least some places with perfect conditions of organic material.