As the old saying goes, when dating a mummy – don’t be late!

It is no secret that in dating, timing is everything. When studying the past, whether finding coins, bones, or pathogens buried in a mound – the question of when they are from makes the difference between a meaningful or a misleading discovery. Dating is so crucial that Willard Libby of the University of Chicago won the Nobel PrizeContinue reading “As the old saying goes, when dating a mummy – don’t be late!”

Steven Weitzman’s Book About Nothing

Is Jerry Seinfeld a descendant of King David? The question is no joke. Of all the issues that perplex the Jewish people and the wider world, none is so troubling is[sic] the primal one — what, after all, links us to the people, the land and the faith of distant antiquity as described in theContinue reading “Steven Weitzman’s Book About Nothing”

The Forward is puzzled why 23andMe does not investigate Jewish origins. Here is why.

It is not fair to pick on journalists especially not when genetics is involved. Genetics is a complex subject involving math, statistics, biology, bioinformatics, and, unfortunately, a substantial amount of emotions. Journalists are not scientists, they don’t claim to be scientists, and are not required to be scientists. They probably do not read Ken Weiss’s blog norContinue reading “The Forward is puzzled why 23andMe does not investigate Jewish origins. Here is why.”

GPS Origins results for four participants

In the previous post I discussed the results of an Ashkenazic Jew produced by GPS Origins. As more and more people take the GPS Origins ancestry test that my lab built (Disclosure: I consult DDC) and make them public, we have a chance to take a glimpse at what these results look like. As with all tools, GPS Origins also workedContinue reading “GPS Origins results for four participants”

The origin of Ashkenazic Jews according to GPSOrigins

Recently, we completed development of GPS2, an extension of the GPS tool (see FAQ here) that predicts the geographic origins of two-ways mixed individuals (e.g., an individual with British and Chinese parents). The genetics company DDC (conflict of interest statement: I consult DDC) incorporated the GPS2 engine into their new website and tool called GPSOrigins ( reading “The origin of Ashkenazic Jews according to GPSOrigins”