Carl Sagan’s famous dictum “extraordinary claims require extraordinary evidence,” often referred to as the “Sagan Standard,” has become a cornerstone principle in the realms of scientific skepticism and critical thinking. At first glance, it seems like an unassailable maxim. However, upon closer examination, this widely-cited phrase reveals some hidden complexities that are worth unpacking about the natural and supernatural.
Defining the “Extraordinary”
The crux of the issue lies in how we define what constitutes an “extraordinary” claim versus an ordinary one. Sagan seemed to be using the term as a stand-in for phenomena that appear to violate or defy our current established scientific principles and understanding of the natural world – claims that perhaps veer into realms that could be considered paranormal or even supernatural.
The Paradox of Proving the Supernatural
However, this is where a paradox emerges. If we accept the premise that something is truly supernatural or miraculous and thereby exists completely outside the known natural world, wouldn’t that by definition place it outside the scope and ability of scientific evidence and inquiry altogether? The scientific method is designed to probe and explain the natural, physical universe around us. But if a phenomenon operates by principles that transcend the conventional laws of nature, how could scientific evidence from within this world ever verify its existence?
Quantum Strangeness and the Malleable “Extraordinary”
To illustrate the blurring of this line, we can look to modern quantum mechanics. Theories like quantum entanglement or experiments like the double-slit paradox, where individual particles appear to defy our macroscopic sense of reality, undeniably reflect the bizarre, counterintuitive nature of the universe at its core. From our ordinary perspectives, these concepts appear almost paranormal. And yet, based on vast theoretical and empirical evidence, these outlandish quantum phenomena are simply how reality operates at its most fundamental levels.
The Extraordinary Becoming Ordinary
Wouldn’t something like quantum entanglement have been dismissed as extraordinary pseudoscience deserving of no consideration, if not for the overwhelming evidence from multiple lines of inquiry substantiating it? Here, the “extraordinary” is not relegated to the fringes but becomes a core part of our understanding of the natural world, simply because it aligns with our evolving scientific models.
Placebo Power and Alternative Healing
This conundrum reveals itself in other domains too. In medicine, we have the documented phenomenon of placebo effects catalyzing real symptom changes through mere belief. From a Western scientific mindset grounded in materialism, the idea that consciousness could overrule physiological dysfunction seems almost mystical. Apply this to claims of spontaneous remissions at places of pilgrimage or through alternative healing practices. Even with strong empirical evidence, the same people who half-heartedly demand evidence would still dismiss it as an “extraordinary” claim defying conventional medical science, unworthy of consideration unless meeting an arbitrarily elevated evidence bar.
The Fine-Tuned Universe and Arguments from Ignorance
Sagan’s example of the apparent fine-tuning of physical constants as potentially compelling evidence for an intelligent creative force also illustrates the difficulty of these delineations. Is the “fine-tuning” truly “extraordinary” enough to constitute proof of the supernatural? Or are we falling victim to the “God of the gaps” fallacy by attributing unexplained anomalies to divine forces?
Defending Against Cultural Biases
Perhaps the true wisdom is that Sagan’s dictum should be a starting point for more scientific rigor, not necessarily an absolute litmus test for determining the possible or impossible. We must be cautious about letting cultural biases cloud our judgment over what constitutes “extraordinary evidence.” Just because a phenomenon defies Western conventions doesn’t necessarily make it paranormal if substantiated.
Embracing Uncertainty at the Boundaries
Ultimately, science should acknowledge that our current working models, while stunningly effective, are incomplete representations of an underlying reality that may permanently elude human intellect. Strict delineations between ordinary and extraordinary may be more malleable than assumed. The cosmos has repeatedly subverted our intuitions about the “natural” and “possible.” Perhaps the greatest extraordinary evidence lies in retaining an open yet critical mind as we navigate the fertile terrain where our knowledge frameworks are tested.
Recommended Reading
Here are some online resources you can find that discuss the topic of the blurry line between natural and supernatural:
Science And Spiritual Practices by Rupert Sheldrake
This 2012 book by Rupert Sheldrake, a British biologist and parapsychologist, explores the relationship between science and spirituality. Sheldrake argues that science is too narrow in its focus and that there are many phenomena that cannot be explained by materialism. He discusses topics such as telepathy, near-death experiences, and the placebo effect.
The God Delusion by Richard Dawkins
This 2006 book by Richard Dawkins, a British evolutionary biologist, is a critique of religion. Dawkins argues that God does not exist and that religion is a delusion. He discusses topics such as the argument from design, the problem of evil, and the nature of faith.
The Spirit Level by Richard Wilkinson and Kate Pickett
This 2009 book by Richard Wilkinson and Kate Pickett, examines the relationship between social inequality and a variety of social problems. The authors argue that more equal societies are better off in terms of a variety of social indicators, such as crime, health, and education.
Factfulness: Ten Reasons We’re Wrong About the World – and Why Things Are Better Than You Think by Hans Rosling
This 2018 book by Hans Rosling, a Swedish physician and global health researcher, challenges our perception of the world. Rosling argues that the world is actually getting better in many ways, and that we are often too pessimistic in our outlook.
Sapiens: A Brief History of Humankind by Yuval Noah Harari
This 2014 book by Yuval Noah Harari, a Israeli historian, examines the history of humankind from our evolutionary origins to the present day. Harari explores topics such as the development of language, agriculture, and religion.
