The geographic center for O4SR is Salem so that we can capture a large region of Oregon using Meetup, which only allows searches up to 100 miles away from your location...

Established in 1994, O4SR is a nonprofit corporation formed to promote science and reason. We seek to develop rational thought and action through the application of scientific methods and critical thinking.


# Educate the public with outreach activities and free public lectures.

# Facilitate social contacts among scientific skeptics by hosting regular social gatherings.

# Examine testable pseudoscientific and paranormal claims.

# Serve as a skeptical resource on questionable claims and science/pseudoscience for local/regional media.

# Interact with other skeptics and scientific skeptic groups globally through e-mail and website contacts.

# Spread critical thinking skills and a science-based worldview.

If you are still looking for intelligent life on Earth, check us out.

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Recent Meetups

  • April 11 · 6:00 PM

    O4SR Annual Meeting

    5 O4SR

    Join O4SR members and guests for this special event. We invite all members of Oregon's scientific skeptics community to join us for this special event. The evening will... Learn more
  • December 18, 2014 · 6:15 PM

    Third Thursday Science: Gilgamesh Science Night in Salem

    2 O4SR

    Join fellow skeptics and humanists for Dinner and beers at 6 P.M. Science talk at 7 P.M. Arrive early to be sure of seating together. We will try to hold spots, but... Learn more
  • November 19, 2014 · 7:00 PM

    O4SR Fall Speaker: Dr. Mark Crislip

    2 O4SR

    Acupuncture: A Review of Ancient Nonsense Talk by Dr. Mark Crislip About the talk: Acupuncture is a popular form of alternative medicine. It cannot work and does not... Learn more
  • November 11, 2014 · 6:00 PM

    Skeptics Pub Night Meet-up

    3 O4SR

    Join fellow skeptics and their guests for beer and conversation. We'd like to make this a monthly or quarterly Eugene meet-up and are open to suggestions for time and... Learn more
  • April 17, 2014 · 6:00 PM

    Third Thursday Science Pub Meet-up

    3 O4SR | 2.00

    Join us for dinner or beer at  6 PM, followed by the science talk that starts at 7 PM. Arriving early assures we will get seating together. The Pub fills up a little... Learn more
  • See all past Meetups

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Founded Sep 8, 2009
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I started the group because there wasn't any other type of group like this. I've met some great folks in the group who have become close friends and have also met some amazing business owners.

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