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October 1, 2017

An artist's illustration of two merging black holes that are theorized to be the source of gravitational waves. Illustration: Bohn, Throwe, Hébert, Henriksson, Bunandar, Taylor, Scheel / SXS

A collaboration between three observatories resulted in another discovery of gravitational waves

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The remains of the ancient settlement Tzipori. The infrastructural conditions of the Galilee promoted the growth of intensive farms, including the "city", which is the villa rustica in the Roman style. Photo: Liorca, Wikimedia.

The economic situation in the Land of Israel from the second century AD onwards - Chapter Three - Intensive economy: a real agricultural revolution

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A macaque monkey in a facility for animal experiments. Source: Understanding Animal Research.

Transparency is the way to improve the treatment of primates in scientific research

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