Can you be scientific and spiritual?
Spirituality can be an uncomfortable word for atheists. But does it deserve the antagonism that it gets?
Adam Frank is a professor of astrophysics at the University of Rochester and a leading expert on the final stages of evolution for stars like the sun. Frank's computational research group at the University of Rochester has developed advanced supercomputer tools for studying how stars form and how they die. A self-described “evangelist of science," he is the author of four books and the co-founder of 13.8, where he explores the beauty and power of science in culture with physicist Marcelo Gleiser.
- While the anti-scientific bias of religious fundamentalism requires condemnation, if we take a broader view, does the human inclination towards spiritual practice still require the same antagonism? The answer, I think, is a definitive "No."
- Rather than ontological claims about what exists in the universe, the terms spiritual and sacred can describe the character of an experience. Instead of a "thing" they can refer to an attitude or an approach.
- One can be entirely faithful to the path of inquiry and honesty that is science while making it one aspect of a broader practice embracing the totality of your experience as a human being in this more-than-human world.
The tension between science and religion is old news to us moderns. Historical events like the Catholic Church's trial of Galileo or the Scopes Monkey Trial over teaching Darwin in schools, seem to imply that religion and science are incompatible. More recently, writers like Richard Dawkins, Daniel Dennett, and other 'New Atheists' have been vigorous in their condemnation of the anti-scientific bias of religious fundamentalism. But if we take a broader view beyond these fundamentalisms, if we ask about the human inclination towards spiritual practice in general, do we still have to find the same antagonism? The answer, I think, is a definitive "No." And that answer is important as we consider the totality of what it means to be human.
First, it's important to distinguish between religion and what I'll call spiritual practice. In his excellent book "Sapiens," Yuval Noah Harari defines religion as "a system of human norms and values that is founded in the belief in a superhuman order." There are two parts of this definition that are important for our discussion. First is the "system of human norms." That phrase points to a lot of stuff, but it also means politics. There is an aspect of organized religion that has always been about establishing and enforcing social norms: Who is an authority; who justifies who is in charge; who marries whom; who tells you how to behave. This aspect of religion is about power within social hierarchies.
The second part of Harari's definition refers to a "superhuman order." Note that he does not say a "supernatural" order. Why? Because some religions like Buddhism don't pivot around the existence of an all-powerful deity. This distinction is important because it allows you to see a point many scholars of religion have made after looking at the long human history of what I'll call spiritual endeavor. From our beginnings as hunter-gathers, we have always been responding to a sense of a "superhuman order." That response has taken many different forms from beautiful paintings on cave walls to beautiful paintings on the ceiling of the Sistine Chapel.
Even though I consider myself an atheist, experiences of a superhuman order have been with me since I was a kid.
In my first book, I looked in depth at this response, its history, and its relation to science. Even though I consider myself an atheist, experiences of a superhuman order have been with me since I was a kid. Heck, that's what science was to me—an order expressible in mathematics beyond the purely human. In fact, many of my deepest experiences of being alive had come to me through my scientific practice. Working through some line of mathematical reasoning or encountering some image of a nebula or galaxy, I'd get thrust into an overwhelming sense of the universe's presence, of its perfect unity and wholeness. At first, I saw the laws of physics as the source of that order but as I got older my focus widened.
Now, one could say that my experiences were "just awe" and nothing more. But as the great scholar of religion, Rudolph Otto noted, awe is the essential component of a spiritual experience. It is an encounter with what other scholars have called "sacredness."
So, what are we to make of these words "spiritual" and "sacred"? Some strident atheists recoil at these terms because they believe they must entail a belief in supernatural entities. This is a mistake. Both can point to something much broader. Rather than ontological claims about what exists in the universe, spiritual and sacred can describe the character of an experience. Instead of a "thing", they can refer to an attitude or an approach. This is the central point William James made in his masterwork "The Varieties of Religious Experience." To speak about sacredness is to understand that some experiences (the birth of your child, coming upon a silent forest glade, hearing a powerful symphony) evoke an order that is more than just our thoughts about that order. And to speak of "the spiritual" can call to the highest aspects of the human spirit: compassion, kindness, empathy, generosity, love.
This kind of understanding of spiritual and sacred have always been with us and they may, or may not, have anything to do with a particular religion. This is where we can draw a distinction between a spiritual practice and a religious one. In a spiritual practice, people purposely attempt to deepen their lived sense of the superhuman order they experience. It is, literally, a practice. You work on it every day, perhaps using meditation or ritual or service to others. The methods differ but the daily application and aspiration are the same.
The important point is that spiritual practice has a purpose: transformation. It is to become a person who lives in accord with that sense of experienced order, that sacredness. Such a lifelong aspiration and effort can happen within an individual religious tradition if there are domains within that tradition that truly support this kind of interior work. Unfortunately, the politics of religion can sometimes keep this from happening. As scholars Joseph Campbell, Walter Houston Clark, and others have said, church can be a "vaccination" against the real thing.
It's also possible to build such a practice outside of established religious tradition. In that case, the difficulty comes in inventing forms that can support a lifelong practice. There is something to be said for traditions or rituals that have endured for many generations and the best of these often occur within some religious traditions.
The bottom line is human beings have felt the need for spiritual practice for a long, long time. That means that even as participation in traditional religions drops, people claiming to be "spiritual but not religious" and people who embrace science continue to grow. The writer Annaka Harris and her spouse New Atheist Sam Harris are, for example, strong defenders of science. They have also both written about the importance of contemplative practice in their lives.
I have long argued that science is one way that the aspiration to know the true and the real is expressed. It is one way we express that sense of an order beyond us. But there are other ways that go beyond descriptions and explanation, and all of them make up the totality of being human. That means you can embrace science in all its power and still embed it within the larger context of human experience. All of us can be entirely faithful to the path of inquiry and honesty that is science while making it one aspect of a practice meant to embrace the fullness of your experience as a human in this more-than-human world.
A new paper reveals that the Voyager 1 spacecraft detected a constant hum coming from outside our Solar System.
Voyager 1, humanity's most faraway spacecraft, has detected an unusual "hum" coming from outside our solar system. Fourteen billion miles away from Earth, the Voyager's instruments picked up a droning sound that may be caused by plasma (ionized gas) in the vast emptiness of interstellar space.
Launched in 1977, the Voyager 1 space probe — along with its twin Voyager 2 — has been traveling farther and farther into space for over 44 years. It has now breached the edge of our solar system, exiting the heliosphere, the bubble-like region of space influenced by the sun. Now, the spacecraft is moving through the "interstellar medium," where it recorded the peculiar sound.
Stella Koch Ocker, a doctoral student in astronomy at Cornell University, discovered the sound in the data from the Voyager's Plasma Wave System (PWS), which measures electron density. Ocker called the drone coming from plasma shock waves "very faint and monotone," likely due to the narrow bandwidth of its frequency.
While they think the persistent background hum may be coming from interstellar gas, the researchers don't yet know what exactly is causing it. It might be produced by "thermally excited plasma oscillations and quasi-thermal noise."
The new paper from Ocker and her colleagues at Cornell University and the University of Iowa, published in Nature Astronomy, also proposes that this is not the last we'll hear of the strange noise. The scientists write that "the emission's persistence suggests that Voyager 1 may be able to continue tracking the interstellar plasma density in the absence of shock-generated plasma oscillation events."
Voyager Captures Sounds of Interstellar Space www.youtube.com
The researchers think the droning sound may hold clues to how interstellar space and the heliopause, which can be thought of as the solar's system border, may be affecting each other. When it first entered interstellar space, the PWS instrument reported disturbances in the gas caused by the sun. But in between such eruptions is where the researchers spotted the steady signature made by the near-vacuum.
Senior author James Cordes, a professor of astronomy at Cornell, compared the interstellar medium to "a quiet or gentle rain," adding that "in the case of a solar outburst, it's like detecting a lightning burst in a thunderstorm and then it's back to a gentle rain."
More data from Voyager over the next few years may hold crucial information to the origins of the hum. The findings are already remarkable considering the space probe is functioning on technology from the mid-1970s. The craft has about 70 kilobytes of computer memory. It also carries a Golden Record created by a committee chaired by the late Carl Sagan, who taught at Cornell University. The 12-inch gold-plated copper disk record is essentially a time capsule, meant to tell the story of Earthlings to extraterrestrials. It contains sounds and images that showcase the diversity of Earth's life and culture.
A team of scientists managed to install onto a smartphone a spectrometer that's capable of identifying specific molecules — with cheap parts you can buy online.
- Spectroscopy provides a non-invasive way to study the chemical composition of matter.
- These techniques analyze the unique ways light interacts with certain materials.
- If spectrometers become a common feature of smartphones, it could someday potentially allow anyone to identify pathogens, detect impurities in food, and verify the authenticity of valuable minerals.
The quality of smartphone cameras has increased exponentially over the past decade. Today's smartphone cameras can not only capture photos that rival those of stand-alone camera systems but also offer practical applications, like heart-rate measurement, foreign-text translation, and augmented reality.
What's the next major functionality of smartphone cameras? It could be the ability to identify chemicals, drugs, and biological molecules, according to a new study published in the Review of Scientific Instruments.
The study describes how a team of scientists at Texas A&M turned a common smartphone into a "pocket-sized" Raman and emission spectral detector by modifying it with just $50 worth of extra equipment. With the added hardware, the smartphone was able to identify chemicals in the field within minutes.
The technology could have a wide range of applications, including diagnosing certain diseases, detecting the presence of pathogens and dangerous chemicals, identifying impurities in food, and verifying the authenticity of valuable artwork and minerals.
Raman and fluorescence spectroscopy
Raman and fluorescence spectroscopies are techniques for discerning the chemical composition of materials. Both strategies exploit the fact that light interacts with certain types of matter in unique ways. But there are some differences between the two techniques.
As the name suggests, fluorescence spectroscopy measures the fluorescence — that is, the light emitted by a substance when it absorbs light or other electromagnetic radiation — of a given material. It works by shining light on a material, which excites the electrons within the molecules of the material. The electrons then emit fluorescent light toward a filter that measures fluorescence.
The particular spectra of fluorescent light that's emitted can help scientists detect small concentrations of particular types of biological molecules within a material. But some biomolecules, such as RNA and DNA, don't emit fluorescent light, or they only do so at extremely low levels. That's where Raman spectroscopy comes into play.
Raman spectroscopy involves shooting a laser at a sample and observing how the light scatters. When light hits molecules, the atoms within the molecules vibrate and photons get scattered. Most of the scattered light is of the same wavelength and color as the original light, so it provides no information. But a tiny fraction of the light gets scattered differently; that is, the wavelength and color are different. Known as Raman scattering, this is extremely useful because it provides highly precise information about the chemical composition of the molecule. In other words, all molecules have a unique Raman "fingerprint."
Creating an affordable, pocket-sized spectrometer
To build the spectrometer, the researchers connected a smartphone to a laser and a series of plastic lenses. The smartphone camera was placed facing a transmission diffraction grating, which splits incoming light into its constituent wavelengths and colors. After a laser is fired into a sample, the scattered light is diffracted through this grating, and the smartphone camera analyzes the light on the other side.
Schematic diagram of the designed system.Credit: Dhankhar et al.
To test the spectrometer, the researchers analyzed a range of sample materials, including carrots and bacteria. The laser used in the spectrometer emits a wavelength that's readily absorbed by the pigments in carrots and bacteria, which is why these materials were chosen.
The results showed that the smartphone spectrometer was able to correctly identify the materials, but it wasn't quite as effective as the best commercially available Raman spectrometers. The researchers noted that their system might be improved by using specific High Dynamic Range (HDR) smartphone camera applications.
Ultimately, the study highlights how improving the fundamentals of a technology, like smartphone cameras, can lead to a surprisingly wide range of useful applications.
"This inexpensive yet accurate recording pocket Raman system has the potential of being an integral part of ubiquitous cell phones that will make it possible to identify chemical impurities and pathogens, in situ within minutes," the researchers concluded.
- Lawrence Kohlberg's experiments gave children a series of moral dilemmas to test how they differed in their responses across various ages.
- He identified three separate stages of moral development from the egoist to the principled person.
- Some people do not progress through all the stages of moral development, which means they will remain "morally undeveloped."
Has your sense of right and wrong changed over the years? Are there things that you see as acceptable today that you'd never dream of doing when you were younger? If you spend time around children, do you notice how starkly different their sense of morality is? How black and white, or egocentric, or oddly rational it can be?
These were questions that Lawrence Kohlberg asked, and his "stages of moral development" dominates a lot of moral psychology today.
The Heinz Dilemma
Kohlberg was curious to see how and why children differed in their ethical judgements, and so he gave roughly 60 children, across a variety of ages, a series of moral dilemmas. They were all given open-ended questions to explain their answers in order to minimize the risk of leading them to a certain response.
For instance, one of the better-known dilemmas involved an old man called Heinz who needed an expensive drug for his dying wife. Heinz only managed to raise half the required money, which the pharmacists wouldn't accept. Unable to afford it, he has only three options. What should he do?
(a) Not steal it because it's breaking the law.
(b) Steal it, and go to jail for breaking the law.
(c) Steal it, but be let off a prison sentence.
What option would you choose?
Stages of Moral Development
From the answers he got, Kohlberg identified three definite levels or stages of our moral development.
Pre-conventional stage. This is characterized by an ego-centric attitude that seeks pleasure and to prevent pain. The primary motivation is to avoid punishment or claim a reward. In this stage of moral development, "good" is defined as whatever is beneficial to oneself. "Bad" is the opposite. For instance, a young child might share their food with a younger sibling not from kindness or some altruistic impulse but because they know that they'll be praised by their parents (or, perhaps, have their food taken away from them).
In the pre-conventional stage, there is no inherent sense of right and wrong, per se, but rather "good" is associated with reward and "bad" is associated with punishment. At this stage, children are sort of like puppies.
If you spend time around children, do you notice how starkly different their sense of morality is? How black and white, or egocentric, or oddly rational it can be?
Conventional stage. This stage reflects a growing sense of social belonging and hence a higher regard for others. Approval and praise are seen as rewards, and behavior is calibrated to please others, obey the law, and promote the good of the family/tribe/nation. In the conventional stage, a person comes to see themselves as part of a community and that their actions have consequences.
Consequently, this stage is much more rule-focused and comes along with a desire to be seen as good. Image, reputation, and prestige matter the most in motivating good behavior — we want to fit into our community.
Post-conventional stage. In this final stage, there is much more self-reflection and moral reasoning, which gives people the capacity to challenge authority. Committing to principles is considered more important than blindly obeying fixed laws. Importantly, a person comes to understand the difference between what is "legal" and what is "right." Ideas such as justice and fairness start to mature. Laws or rules are no longer equated to morality but might be seen as imperfect manifestations of larger principles.
A lot of moral philosophy is only possible in the post-conventional stage. Theories like utilitarianism or Immanuel Kant's duty-focused ethics ask us to consider what's right or wrong in itself, not just because we get a reward or look good to others. Aristotle perhaps sums it up best when he wrote, "I have gained this from philosophy: that I do without being commanded what others do only from fear of the law."
How morally developed are you?
Kohlberg identified these stages as a developmental progression from early infancy all the way to adulthood, and they map almost perfectly onto Jean Piaget's psychology of child development. For instance, the pre-conventional stage usually lasts from birth to roughly nine years old, the conventional occurs mainly during adolescence, and the post-conventional goes into adulthood.
What's important to note, though, is that this is not a fatalistic timetable to which all humans adhere. Kohlberg thought, for instance, that some people never progress or mature. It's quite possible, maybe, for someone to have no actual moral compass at all (which is sometimes associated with psychopathy).
More commonly, though, we all know people who are resolutely bound to the conventional stage, where they care only for their image or others' judgment. Those who do not develop beyond this stage are usually stubbornly, even aggressively, strict in following the rules or the law. Prepubescent children can be positively authoritarian when it comes to obeying the rules of a board game, for instance.
So, what's your answer to the Heinz dilemma? Where do you fall on Kohlberg's moral development scale? Is he right to view it is a progressive, hierarchical maturing, where we have "better" and "worse" stages? Or could it be that as we grow older, we grow more immoral?
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