Zionism and eugenics

Here's an article in Ha'aretz about zionism, "race" and eugenics:

Who is a Jew and who isn't? What is unique about Jews? Can they even really be defined biologically, per se? Do biologists or geneticists possess research tools that are sophisticated enough to definitively answer these loaded questions? Raphael Falk, a professor emeritus of genetics at the Hebrew University of Jerusalem, is happy to address this challenge - which many others in academia have avoided.

So go on, have a read.