GWUP | die Skeptiker | Roßdorf is an official website of the Society for the Scientific Investigation of Parasciences, also known as GWUP - die Skeptiker. They aim to promote critical thinking and scientific research in various fields. Their website offers a wide range of information and resources, including an extensive lexicon, news articles, a blog, and a calendar of skeptical events.

Visitors can also become members of GWUP and have access to exclusive content and benefits. They offer a subscription to their magazine Skeptiker, which covers topics related to skepticism, critical thinking, and debunking pseudoscience. In addition to their online presence, GWUP also has regional groups across Germany and Austria, organizing local events and meetings.

They have a dedicated storefront selling merchandise like t-shirts, as well as offering subscriptions and individual issues of Skeptiker magazine. GWUP | die Skeptiker | Roßdorf is your go-to source for reliable, evidence-based information and resources in the field of skepticism