Please note:

As of April 30, 2020 the two years deadline to apply for participation expired. We will no longer accept applications under the conditions of this challenge. This page will stay online for reference on this project. A report on the results of the first and only participant was published in Skeptiker 1/2020 (in German).

In case of any questions or to contact us in any matter please use this form. Note: If you want to apply to participate in our challenge please use the application form (link).

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