Coding online communication to detect sexual predators
Some of you may remember that I'm headed to Iowa State University in about a month. I ran across a story on its news service last week about Chad Harms, a professor in the Greenlee School of Journalism and Communication, who has been doing research on how online sexual predators 'groom' their child victims and how their online communication can be coded to detect predatory behavior. Read the story and follow the links. This looks like interesting stuff, particularly if you could automate the coding so that it could be done by computer software.
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Even some teachers suffer from anxiety about math.
I teach people how to teach math, and I've been working in this field for 30 years. Across those decades, I've met many people who suffer from varying degrees of math trauma – a form of debilitating mental shutdown when it comes to doing mathematics.
She met mere mortals with and without the Vatican's approval.
- For centuries, the Virgin Mary has appeared to the faithful, requesting devotion and promising comfort.
- These maps show the geography of Marian apparitions – the handful approved by the Vatican, and many others.
- Historically, Europe is where most apparitions have been reported, but the U.S. is pretty fertile ground too.
The legacy of Felix Dzerzhinsky, who led Soviet secret police in the "Red Terror," still confounds Russia.
- Felix Dzerzhinsky led the Cheka, Soviet Union's first secret police.
- The Cheka was infamous for executing thousands during the Red Terror of 1918.
- The Cheka later became the KGB, the spy organization where Russia's President Putin served for years.
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