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When Judaism Meets Science
Archive for the ‘Life Sciences’ Category
Faith in Religion, Confidence in Science
Credit: Yale
In response to a theoretical physicist’s article regarding developments in cosmology and the then current debate about whether the universe had a finite age or was in a steady state without beginning or end, the Lubavitcher Rebbe, Rabbi Menachem Mendel Schneerson, initiated a brief but revealing correspondence. The correspondence was prompted by Schneerson’s deep concern over what he considered to be widespread misconceptions about science and his perceived urgent need to correct those misunderstandings. In this correspondence, Schneerson demonstrated an expected devotion to the text of the Torah and traditions relating to it, but also a certain and perhaps unexpected awareness of technical issues, for instance whether light was an electro-magnetic wave or “corpuscular” or both. More importantly, in the course of the correspondence, he articulated his approach to faith and science and what some asserted was a conflict between them.
Schneerson thought the purported conflict was the result of a misconception of the nature of science. The “sciences,” he said, “are at bottom nothing more than assumptions, work hypotheses and theories which are only ‘probable’ . . . .” By contrast, he viewed “religious truths” as “definitive and categorical.” Consequently, science could not challenge religion because “science can never speak in terms of absolute truth.” read more
Ginger Jews
Last year, about two hundred red haired Israeli Jews gathered for a conference at Kibbutz Gezer in Israel. While that is a nice size group, there were, apparently, many hundreds who were interested in attending, but unable to do so. Those who attended the conference shared stories, sang a popular children’s song called “I am a Redhead,” and reportedly had a good time. Gezer, by the way, is Hebrew for carrot.
And then there is Stav Shaffir, the not even thirty year old Member of the Knesset whose hair is vibrant red. Stav, by the way, is Hebrew for Autumn.
There is even Hebrew slang for redheads: gingi (Jeenji) for a male and gingit (Jeenjit) for a female, both Hebraicized corruptions of the English ginger.
What’s with Jews and red hair? read more
Free Will vs. Deterministic Cause and Effect
For over 3,000 years philosophers and religious thinkers have argued about free will. Some have argued that everything has a material cause that determines all material effects including emotions like fear, love and happiness. Others have argued that there are also subjective mental states like belief, morality and self-identity that influence individual’s reactions to an objective material stimulus.
Now it seems that science has discovered that even worms have free will. If offered a delicious smell, for example, a roundworm will usually stop its wandering to investigate the source, but sometimes it won’t. Just as with humans, the same stimulus does not always provoke the same response, even from the same individual.
New research at Rockefeller University, published online in Cell, offers a new neurological explanation for this variability, derived by studying a simple three-cell network within the roundworm brain. “We found that the collective state of the three neurons at the exact moment an odor arrives determines the likelihood that the worm will move toward the smell. So, in essence, what the worm is thinking about at the time determines how it responds,” says study author Cori Bargmann. “It goes to show that nervous systems aren’t passively waiting for signals from outside, they have their own internal patterns of activity that are as important as any external signal when it comes to generating a behavior.” read more
The Genome and Souls of Ashkenazi Jews
The Ashkenazi Jewish population is a genetic isolate gene pool almost equally close to European and Middle Eastern groups according to a highly detailed genetic study published in Nature Communications on September 9, 2014. The report is a high-depth analysis of the sequencing of 128 complete genomes of Ashkenazi Jews controls compared with European complete genome samples from 26 Flemish people from Belgium.
Reconstruction of recent Ashkenazi Jewish history from such genetic segments confirms a recent bottleneck of merely 300-400 individuals living in Central Europe, 25-32 generations ago, in the 13th-15th centuries (1200-1400). This bottleneck was the result of wide spread massacres of Jews in the Rhine Valley during the first three crusades; and additional massacres of Jews who were blamed by European Christians for causing the Bubonic Plague (1328-1351) which killed a third of the population in Europe (and almost half in urban areas). read more
Why Did Homo Sapiens Become Gentler?
Although, based on the news media, it is difficult to believe that Homo Sapiens (“HS”) have become biologically gentler, an apparent reduction in testosterone about 50-60,000 years ago led to human personalities becoming gentler and human faces becoming more feminine, according to a new study based on measurements of more than 1,400 ancient and modern skulls. This led people to have gentler personalities and to great advances in art and tool making.
The study, published in the August 2014 issue of the journal Current Anthropology, found that human skulls changed in ways that indicate a lowering of testosterone levels at around the same time that culture was blossoming. The study’s lead author, Robert Cieri, said: The modern human behaviors of technological innovation, making art and rapid cultural exchange probably came at the same time that we developed a more cooperative temperament resulting from having a little less testosterone in action. read more
A Nice Jewish Shot: Why Vaccinations are Kosher and Required
Let’s face it. Sometimes you can deny certain established scientific truths and it does not make much difference. You can, for instance, believe that the Earth was created about 6,000 years ago and life as we know it will still go on. OK, maybe Jon Stewart and certain professors and pundits will make fun of you, but as the little redhead Annie always reminds us, “the sun’ll come out tomorrow, bet your bottom dollar, that tomorrow there’ll be sun.”
If, however, you deny the safety and efficacy of approved medical vaccinations designed to prevent harmful, debilitating, even deadly diseases, such as polio, measles, hepatitis and tetanus, your belief may well make a great deal of difference to you, your family, your community and, indeed, all of humanity.
And yet, there are those who for a variety of reasons refuse to inoculate themselves or their children, or both, even when established governmental authorities require such action. While it is tempting to stereotype all such persons as undereducated or acting out of ignorance, some are not. Aside from the rare situations based on the medical condition of the child, some people object to a particular vaccine or procedure. Others have broader religious, philosophical and personal beliefs that militate against inoculations. (See, e.g., here and here.) Some even may be part of an otherwise socially conscious community. read more
The Intriguing, Seductive and Ultimately Unsatisfying Anthropic Principle
Magnetic Milky Way
Credit: ESA and the Plank Collaboration
Some believers in a traditional deity deny, or at least are skeptical about, certain claims of science. The issue may be the origin of the universe in a Big Bang, the age of the universe, the nature of the evolution of life on Earth or some other proposition. In these instances, the believers see science as inconsistent with, even in opposition to, a sacred truth revealed in some literature such as the Torah, the Christian Bible or the Qur’an, and therefore should be rejected.
On other occasions, though, believers will embrace science. They will hear that the initial conditions of the universe, certain laws of nature or the location and chemistry of our planet are set within a limited range that allows for human existence — a proposition sometimes called the Anthropic Principle (i.e., relating to humankind) — and take those conditions and characteristics as proof of a personal god. They will understand a “fine-tuned” universe as demonstrating, or at least strongly implying, the existence of a Fine-Tuner, a Devine Designer. read more
The Coyne Wars Reach Einstein
Q: What do Jonathan Sacks, Ross Douthat and Albert Einstein have in common?
A: Let’s see. The first is the former Chief Rabbi of the United Hebrew Congregations of the British Commonwealth, the second is a New York Times based columnist who writes frequently about religion, and the third was the pre-eminent physicist of the twentieth century, responsible for teaching us how light can bend, time can slow, and mass and energy can convert into each other.
Oh, I know. In recent months, Jerry Coyne, biology professor at the University of Chicago, and author of the excellent book Why Evolution is True, has written critically of each.
In the cases of Sacks and Douthat, Coyne was responding to an essay. Rabbi Sacks’ piece appeared in The Spectator under the title “Chief Rabbi: atheism has failed. Only religion can defeat the new barbarians.” In it, Rabbi Sacks railed against two forces he saw as detrimental to an enduring, moral society: first, the idolatry of “the market, the liberal democratic state and consumer society,” aided and abetted by tone deaf, humorless secularists, the “new atheists,” and, second, a religious fundamentalism which combines into a toxic brew “the hatred of the other, the pursuit of power and contempt for human rights.” read more
The Conflict over Whether Judaism and Science Conflict
From time to time, like when an itch just needs to be scratched or a roiling cauldron must overflow, essays are written and debates ensue over the question of whether there is a conflict between Judaism and science. The direct answer to the question depends to a considerable degree on how one defines Judaism, and to a lesser degree on how one defines science. But discussions about the topic, even from Jewish perspectives, often miss that basic point.
Recently Moment Magazine asked nine rabbis the following question: “In what ways, if any, do science and Judaism conflict?” The rabbis were apparently selected as representative of, though not necessarily representatives of, various orientations and denominations. Moment even ordered their responses as if there were a spectrum of Jewish thought from Independent to Humanist, Renewal, Reconstructionist, Reform, Conservative, Modern Orthodox, Orthodox, and, ultimately, Chabad. (Parenthetically, whether this means that Moment believes that Reform is at the center of Jewish opinion is unknown.) The rabbis’ responses are illustrative of the problem inherent in these kinds of discussions. read more
Science and Judaism: One Rabbi’s Personal Theology
A few years ago on a Shabbat evening at Adat Shalom Reconstructionist Congregation in Bethesda, Maryland an almost surely unprecedented event occurred. Through the magic of the Hubble Telescope, the internet, and the digital projector, congregants were able to see large images of the vast, exploding universe in which we are all suspended. As the images were paraded one by one before the amazed eyes of the congregants, Steve Brody, an Institute for Science and Judaism Board member and astrophysicist, identified and explained them. Some were familiar; most were not.
There were galaxies, clusters of galaxies, clouds of interstellar gas in which stars are being created, dying stars, and the remains of a supernova. While Steve explained the scientific significance of these denizens of space, a rabbi declaimed passages from the Tanach, our Hebrew Bible. In apposition to a photograph of the Milky Way in which the profusion of stars that comprise it appeared in all their glory, the rabbi quoted God’s promise to Abraham:
[God] took him outside and said “Look toward heaven and count the stars,
if you are able to count them.”
And He added “So shall your offspring be.” read more