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He told his colleagues about his research on cave paintings discovered on the islands of Indonesia. In Tevet alone (a small cave on Borneo), researchers found 145 hand markings—the so-called negative hand prints.
According to experimental studies in Europe, these handprints were created by spreading fingers apart and blowing paint from the mouth through a tube over the hands and fingers and onto the rock surface.
We are connecting lines to the pieces we have, but when we find more evidence we are not just filling in the picture, we are expanding it.
Last month I wrote about Graecopithecus, a possible human ancestor from just after the split with chimpanzees about 7 million years ago.
Also last month it was reported that an analysis of new Homo naledi specimens dates the fossils from as recently as 236 thousand years ago. naledi share some primitive features that paleontologists thought would date to about 2 million years old, but they also have some more modern features. floresiensis (the Hobbit) showing that it is very likely this was indeed its own species.
They used a new laser technique to measure radioisotopes in the bone, yielding an age of millions of years.
But this "age" was not only the result of a broken radioisotope system, it was contrived to agree with previously assigned dates for the samples.