Evidence for Neolithic dairy farming in Finland

Lipid residues from prehistoric sherds reveal transition around 2500 BC

It has long been debated whether Neolithic farming economies were ever established at the limits of modern agriculture around the 60th parallel north. Thanks to the warming effects of the Gulf Stream, sustainable farming economies were established slightly to the south, in Britain, southern Norway and Sweden. In Finland, however, agriculture is problematic even today due to lower temperatures and a snow cover for several months of the year.
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Chimpanzee gestures decoded

Study may throw light on origins of human language

The use of gestures by chimpanzees was first demonstrated by field studies carried out in the 1960s and 1970s, and work on captive animals has shown that these gestures are part of an intentional, goal-orientated behaviour common to all the great apes. While this behaviour overlaps with human language, it is absent from most animal communication systems and evidence for it is also lacking for the vocalisations of great apes.
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