Of the many verses enlisted in the modern campaign to prove that the Qur’an anticipated modern science, this one is the cleanest test case — not because it is the most quoted, but because so little about it is in dispute. The translation is not seriously contested. The grammar is agreed. The relevant biology is settled, unglamorous and taught in every medical school on earth. Everything that could be argued about has already been agreed by the people who would most like to argue.

Two features of the passage matter, and the tradition itself supplies both. First, verse 7 continues verse 6: the thing described as proceeding from between the backbone and the ribs is the fluid named in the preceding line. Second, the region named — aṣ-ṣulb, the backbone or spine, and at-tarā’ib, the ribs or chest-bones — is the upper trunk. Chest and spine. Not the pelvis, not the groin.

That yields a locatable, checkable claim: the fluid from which a human being is made emerges from between the backbone and the ribs. It can be held against two independent records — what Islam’s own pre-modern scholars understood the words to mean, and what anatomy shows. Neither record was compiled by a critic. One was compiled by the tradition’s most revered exegetes; the other by physiologists with no interest in the question.

A verse that could be wrong is a verse worth reading carefully. This one can be, and is.

Sperm cells are produced in the testicles — in the coiled seminiferous tubules — and are stored and matured in the epididymis alongside each testicle. The testicles sit in the scrotum, outside and below the pelvis. The fluid that carries them is manufactured by three sets of glands: the seminal vesicles, which supply most of the volume, the prostate, and the small bulbourethral glands. All of these lie in the pelvis, at the base of the trunk. At emission, semen travels from the testicles and glands through the pelvic region and out. It does not originate in, and does not pass through, the chest or the mid-spine at any point.

The female contribution fares no better under the verse’s plain sense. The egg is released from the ovaries, which sit in the pelvis, and travels down the fallopian tubes to the uterus. Nothing in female reproduction emerges from the ribs.

On the plain reading — the reading the tradition itself gave — the verse is mistaken. The reproductive fluids do not issue from between the backbone and the ribs. They come from organs at the base of the trunk, some of them outside the body cavity entirely.

Taken individually, each of these has some force. Taken together, they have a different kind of significance — because they are not compatible with one another. If tarā’ib means the pelvic arch, it does not mean the woman’s chest. If the passage is about embryonic glands, it is not about the aorta. Each defence solves one difficulty by creating another, and each is fatal to at least two of its neighbours.

This is the fingerprint of a text being defended rather than read.

The classical commentators felt no strain reading this verse, because they had no reason to. The strain begins when a modern movement — iʿjāz ʿilmī, the claimed “scientific inimitability” of the Qur’an — makes the text’s anatomical accuracy load-bearing for the case that it is divine.

The movement’s popular breakthrough came in 1976, when the French physician Maurice Bucaille — a gastroenterologist who had served as physician to King Faisal of Saudi Arabia — published La Bible, le Coran et la science. Bucaille argued that the Bible contained scientific errors while the Qur’an contained none, and concluded from that asymmetry that the Qur’an could not be of human authorship. The book was translated across the Muslim world and sold enormously. It gave its name to a whole approach: Bucaillism.

Eight years later the argument acquired an institution. In 1984 the Saudi-funded Muslim World League established the Commission on Scientific Signs in the Qur’an and Sunnah, headed by the Yemeni cleric Abdul Majeed al-Zindani — a figure later designated a Specially Designated Global Terrorist by the US Treasury. The Commission ran international conferences at which Western scientists were flown in, hosted and paid honoraria, then asked on camera to comment on Qur’anic passages read out to them; their replies were edited into daʿwah material that circulated for decades. The recruitment operation was documented by the Wall Street Journal in January 2002.

From there the claims propagated through the satellite-television and internet era — through the Indian preacher Zakir Naik and the Islamic Research Foundation, through the Turkish Harun Yahya operation, and through thousands of websites. The astrophysicist Nidhal Guessoum has catalogued the results: relativity, quantum mechanics, the Big Bang, black holes, genetics, embryology, geology, thermodynamics, even lasers and hydrogen fuel cells have all been “found” in the text.

This is the machinery that requires 86:7 to be right. Without it, the verse would sit undisturbed in the tradition, read as the commentators read it, and understood by most Muslims as a devotional statement about human origins rather than an anatomical thesis. It is the modern apologetic project — not the scripture, and not ordinary believers — that has staked a claim it cannot cover.