Content copyright CSI or the respective copyright holders. Do not redistribute without obtaining permission. Articles, reports, reviews, and letters published on the CSICOP.org website represent the views and work of individual authors. Their publication does not necessarily constitute and endorsement by CSI or its members unless so stated. Thanks to the ESO for the image of the Helix Nebula, also NASA, ESA and the Hubble Heritage Team for the image of NGC 3808B (ARP 87).