Questions tagged [science]
questions about science in relation to Judaism
217
questions
3
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1answer
89 views
Reconciling the Rashbam's understanding for leaning left with the anatomy of the throat
The Gemara (Pesachim 108a) rules:
פרקדן לא שמיה הסיבה הסיבת ימין לא שמה הסיבה ולא עוד אלא שמא יקדים קנה לוושט ויבא לידי סכנה
Lying prone is not called leaning. Leaning right is not called ...
5
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0answers
109 views
What blessing would one have said on seeing Einstein for example?
The Oruch Hashulchan O Ch 224, 6 says
הרואה חכם מחכמי ישראל שגדול בתורה מברך: "ברוך אתה ה' אלהינו מלך העולם
שחלק מחכמתו ליריאיו,
Someone who sees a Jewish Torah sage makes the blessing “ ...
1
vote
3answers
187 views
Has nature changed since Talmudic times
Looking at the Gemoro, people used to believe that babies born at 7 months were more likely to survive at 7 months than 8 months. A male is born face down whereas a female is born face up. Another ...
0
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0answers
55 views
What specifically was the ancient Jewish practice of rubbing an infant's throat?
The Jewish Encyclopedia article on "Consecration" says that the later "rubbing on" of oil aka "anointing" has roots in the practice of rubbing an infant's throat in preparation for receiving a mother'...
-4
votes
2answers
167 views
Empirical evidence of Sages' intellectual superiority
Throughout ages, our Sages engaged in Halachic, scientific and philosophical arguments between themselves and with other nations' philosophers.
We hold that the truthfulness of Talmudic discussions ...
-1
votes
3answers
92 views
Sources that G-d miraculously and deceptively conceal His deeds
In the debate on veracity and historicity of the Biblical stories and claims many assert that after an event in discussion G-d miraculously wiped all evidence or replaced it to look natural.
For ...
4
votes
4answers
2k views
How did Gdoley Israel react to the landing on the Moon?
IMHO, landing on the Moon did/could seriously undermine the bases of the Jewish religious view about the nature of the celestial bodies.
How did Gdoley Israel react/deal with the landing on Moon (and ...
0
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1answer
95 views
How can constant creation of new stars explained theologically?
"... we get on average about one new star per year, and one star dying each year as a planetary nebula in the Milky Way.... therefore there are about 275 million [born] per day, in the whole ...
0
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2answers
128 views
What defines a human in Judaism?
As a follow up to "creation-of-super-humans",
The Gene-modification technologies promise interesting developments in human evolution/changes, both physical and intellectual.
On the physical side - ...
3
votes
3answers
145 views
How does creation of a new species of super humans align with Judaism?
One of the most promising scientific fields of the nearest future is bio-technologies especially genetic modifications, starting with gene-therapy, genetic enhancements, and, as the process is ...
5
votes
4answers
1k views
Is there a concept of “peer review” in Rabbinical Judaism?
"Peer review is the evaluation of work by one or more people with similar competences as the producers of the work (peers). It functions as a form of self-regulation by qualified members of a ...
2
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0answers
101 views
Would teleportation be allowed? [closed]
Suppose 'teleportation' like the transporter in star trek - where you are disassembled atom by atom, and reassembled in another location - becomes a reality. It will then likely become the most ...
2
votes
7answers
235 views
Websites or books about the Torah and history of the world
I am looking for recommendations of good websites and books that talk about various ways of understanding the 'conflicts' between the Torah and a modern understanding of the age of the universe, the ...
1
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0answers
67 views
Why the fact that the Earth is spherical is a deep secret according to Zohar?
Following "zohars-knowledge-about-earths-shape" and related to my other question "why-did-G-d-create-the-earth-spherical":
Zohar (Vayikra 10a) states the following, seemingly pointing to the fact ...
0
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1answer
168 views
Arguments against evolution
In trying to find the best, most factually based argument against evolution, I found this which said that it just doesn't make sense because why would a creator take so long.
Are there any other ...
-4
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1answer
125 views
Why did G-d create everything important off-center?
I hope not to argue that the Heliocentric view is true as is our current understanding of [our position in] the Universe, the Earth is rotating around the Sun, that is rotating around the center of ...
2
votes
1answer
125 views
The science behind making liver kosher
It seems that salting and soaking liver is insufficient to release the blood sufficiently to make it kosher. It needs to be broiled (or is there some other method that also works?)
What's the science ...
0
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0answers
31 views
Does Earth geography resemble anything metaphorical?
All I know about the traditional geographical metaphorism is that Jerusalem is the center of the world and the whole inhabitable space is divided between the 70 nations (besides the plain facts, like ...
-2
votes
2answers
153 views
Why did G-d create the Earth spherical?
I hope nobody questions the fact of the spherical Earth. Just as spherical as all other celestial bodies.
Many argued whether we knew this fact or not, but I don't recall that those who claim we ...
4
votes
1answer
92 views
Source that אמונת חכמים applies to the Sages' knowledge besides Halachah
Tons of Jewish responsa (incl. this site) is based on a common belief/premise that the Talmudic Sages knew what they say and that everything they said is true - אמונת חכמים (see this question on this ...
3
votes
2answers
226 views
What did G-d do before Creation?
Is it possible to know what G-d was doing before this creation?
While, as Maimonides states, that we cannot know anything about G-d except for what G-d is not (G-d has no body and is one), ...
6
votes
1answer
209 views
Gender and “Seeding” - Just Torah-Derived or Common Belief?
Niddah 31a writes (Davidson Edition translation):
אמר רבי יצחק אמר רבי אמי אשה מזרעת תחילה יולדת זכר איש מזריע תחילה יולדת נקבה שנאמר (ויקרא יב, ב) אשה כי תזריע וילדה זכר
Rabbi Yitzḥak says ...
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2answers
142 views
What observable phenomena show that we live in the pre-Messianic era?
There's no doubt that we live in a very special era of fast and huge technological, social, scientific, economic, psychological and other changes. The world is also getting closer to the 6000 year bar,...
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2answers
123 views
“As many as the stars in the sky”- literally or allegorically?
In Bereishis 15:5 HaShem promises Avraham that his descendants will be as many as the stars in the sky:
וַיּוֹצֵ֨א אֹת֜וֹ הַח֗וּצָה וַיֹּ֙אמֶר֙ הַבֶּט־נָ֣א הַשָּׁמַ֗יְמָה וּסְפֹר֙ הַכּ֣וֹכָבִ֔ים ...
0
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1answer
45 views
Has there been any scientific study that agrees with Talmud Rosh Hashanna 20b's time difference?
I'm extracting from this M.Y. question:
In Talmud Bavli Rosh Hashanna 20b, R' Zeira quotes R' Nachman as
saying:
כ"ד שעי מכסי סיהרא לדידן שית מעתיקא ותמני סרי מחדתא לדידהו שית מחדתא
ותמני ...
-6
votes
1answer
94 views
How G-d can be distinguished from AI? [closed]
One day, after the Moshiach comes, the Earth will be filled with "knowledge of G-d". On the other hand, technologically, one day the Earth will be filled with "knowledge of AI". I'm trying to prepare ...
-9
votes
1answer
93 views
Where did Moses' applied scientific knowledge disappear?
I had a series of seemingly true statements that lead me to a contradiction I'm unable to solve:
Moses knew all the Torah => Moses knew all the Halacha.
Moses knew all the Halochos of Shabbos => when ...
2
votes
0answers
52 views
Relation between brain damage and the soul
Physical damage to the brain can lead to various psychological and cognitive phenomena, like drastic changes in character, selective memory loss (like forgetting faces but remembering names or vice ...
1
vote
1answer
47 views
How precise were the Temples' directions (East/North)
Calculating the true astronomical North/South is very simple - find the longest way and cast a shadow.
Are there sources on how precise those directions in the Temples were? Are there special Jewish ...
1
vote
6answers
262 views
When is it a mitzvah to study science?
I remember hearing from Rabbi Yosef Mizrachi that HaShem created two Torahs, one the Oral and Written and the other the natural world. My question is, when is it a positive mitzvah to study science ...
2
votes
3answers
294 views
Biblical description of the firmament vs. round earth in the Zohar
Zohar Vaikra 10a [quotes the Book or Rabbi Hamnunab Sabah]:
וּבְסִפְרָא דְּרַב הַמְנוּנָא סָבָא, פָּרִישׁ יַתִּיר, דְּהָא כָּל יִשׁוּבָא מִתְגַּלְגְּלָא בְּעִגוּלָא כַּכַּדּוּר, אִלֵּין לְתַתָּא, ...
5
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0answers
65 views
Is mustard harmful to bees or the honey making process?
The Mishna in Bava Basra (2:10) says: (all translations from Sefaria)
מַרְחִיקִין אֶת הַמִּשְׁרָה מִן הַיָּרָק, וְאֶת הַכְּרֵשִׁין מִן הַבְּצָלִים, וְאֶת הַחַרְדָּל מִן הַדְּבוֹרִים. רַבִּי יוֹסֵי ...
3
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0answers
102 views
How do the outer planets: Uranus, Neptune and Pluto fit into Judaism?
It is not a secret that we discover new things in all fields of science, not mentioned in our sources all the time.
We know that in Judaism the 7 planets represent/aligned with 7 spiritual forces ...
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0answers
51 views
Does Judaism differentiate between a planet and a star?
On the 4th day, G-d created Sun, Moon and the stars.
Besides the Moon, Mercury, Venus, Mars, Jupiter, and Saturn were known since ancient times (not mentioning the existence of the real stars).
...
1
vote
1answer
62 views
Measuring the universe in G-d's cubits (Eruvin 21a)
In the following passage (Eruvin 21a in William Davidson edition) the sages try to determine the size of the Torah scroll that Zachariah saw in his prophecy:
In order to determine the measure of ...
0
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1answer
123 views
Age of Universe [duplicate]
What is the most plausible way to reconcile the traditional dating of the universe (now 5779) with science's understanding that the universe is billions of years old?
3
votes
2answers
113 views
Building a Mikva Upstairs
Every Mikva I am personally familiar with is on the ground floor (first floor) or basement of its building.
Let's say a congregation owns a one story building they use as their shul. They agree to ...
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0answers
68 views
Mathematical functions in Jewish Halacha [closed]
What mathematical operators, functions, and constants are mentioned in the Halachah besides addition, subtraction, multiplication, and division?
For example: powers and square or other roots, Pi etc....
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votes
4answers
411 views
Rabbinical sources that support the Flat Earth view
While many people are busy looking for the slightest hints of the vast scientific knowledge possessed by our Sages, I've bumped into Rasa"G's interpretation of Sefer Hayetzirah 4,2 (c.900) (is there ...
0
votes
1answer
78 views
Gr"A stating that Africa is [at] the South Pole
(Saw it today at the Kolel in Mikraot Gedolot, sorry can't find it online, please help).
At the beginning of Divrei Hayamim, Pirush HaGr"a explains various nations coming out of Noah's sons and how ...
2
votes
0answers
196 views
Is the base for bloodletting in the Talmud purely “scientific” or traditional?
Bloodletting (הקזת דם) was a commonplace medical procedure in the Mishnaic times (see Shabbos 129).
It is widely accepted that the ancient healers believed that:
"... many diseases were caused by ...
4
votes
5answers
308 views
How is “magic” defined for the purposes of the prohibition against kishuf?
As Arthur C. Clarke famously said, "Any sufficiently advanced technology is indistinguishable from magic."
The idea here actually generalizes much further. Today's technology would have been ...
5
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0answers
46 views
Is there a scientific basis for the claim that the 3rd day from the circumcision is the most painful and dangerous? [duplicate]
Is there a scientific basis for the claim that the third day from the day of a circumcision is the most painful and dangerous?
In Mishana (shabbath 19,3)
מרחיצין את הקטן בין לפני המילה ובין לאחר ...
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0answers
20 views
Technological advances of Yehoshua's generation over the natives
My question is based on "were-rabbis-ahead-of-the-times". A claim is made that the Torah contains scientific knowledge known to Rabbis and unknown to Gentiles.
Many try to bring examples from the ...
0
votes
1answer
92 views
Sources for scientific rationale for the 613 Mizvot?
Are there any published works on the scientific rationale for any of the 613 Mizvot?
For example: Handwashing: It only took the medical community did not deem it medically relevant until 2 centuries ...
0
votes
3answers
147 views
Acquiring Torah without Subvocalization
The Mishnah in Avos (6.6) tells of difference ways to acquire Torah. Here is Rashi’s commentary on one of the items, translated by Sefaria.org.
בַּעֲרִיכַת שְׂפָתַיִם. שֶׁאֵינוֹ מְגַמְגֵּם ...
0
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2answers
197 views
Did God really backup the Sun dial for Hezekiah?
According to 2 Kings 20:9-11., Hezekiah while on his deathbed, was visited by the prophet Isaiah. The King was about to die so he asked for a sign as proof that G-d would grant him a longer life. ...
2
votes
1answer
154 views
What does the Torah think of Pangea?
What does Torah literature say about Pangaea?
Is it considered be legitimate? Are there sources which lean either way?
1
vote
1answer
90 views
They could change nature and predict nature, but could not explain it
In contrast to the secularist position that the physical world is ours by right, whereas the spiritual world is hidden/inaccessible, the Jewish and generally religious position seems to be that Gd ...
2
votes
1answer
84 views
How many of the parthenogenesis-capable animals came to the Noah's Ark
How many of the animals that are capable of parthenogenesis (being able to reproduce without a male and female, e.g. the Komodo dragon) did Noach take with him into the Ark - 1 or 2?
