astronomy critical thinking photography science anti-vax evolution space exploration alternative medicine nasa skeptical skepticism optical illusions pseudoscience religion myths occam's razor conspiracy theories crytozoology earth paranormal UFOs apocalypse biodiversity doomsday god hoax logical fallacies myth pareidolia prediction psychic vaccination Drake Equation animals belief comics creationism dinosaurs extraterrestrial life galaxies homeopathy insects intelligent design legend medical medicine milky way monsters natural selection phases of the moon scams sun teotwawki vaccines 2012 aliens article astrobiology astrology bible face on mars fallacy fraud geology horoscopes math tricks mathematics misconceptions moon illusion pascal's wager prophecy scale shermer supplements the eye toolkit urband legends zombies Syrett afterlife area of a circle aricebo message arithmetic atheism bigfoot bioenergotherapy birthday paradox bugs cambodian stegosaurus camouflage cdc cell phones charles darwin christian chupacabra coincidence confirmation bias demon devil dragons earthquakes energy experiment facilitated communication facts formulae genesis ghosts giant ape glaciers humor idiomotor effect investments irreducible complexity life after death light lightning mars rover may 21 media medium methodology michael behe mlm money mothman multi-level marketing natural disasters natural wonders nature new world order nutrition olber's paradox ouija boards pi placebo plate tectonics ponzo illusion pyramid scheme rapture sagan sasquatch scientific method seasons sinkholes snake oil solar special numbers spirits statistics stories sunspots theism thought experiment time travel trolley problem tsunamies undead universe virgin mary volcanoes whooping cough wonders of the world yeti young earth