The document discusses several scientific phenomena described in the Quran that were discovered by modern science. It notes Quranic verses describing human embryonic development accurately referring to the stages of a leech and chewed substance. It also mentions verses describing mountains as pegs to stabilize the earth and prevent shaking, as well as verses referring to the barrier between fresh and saltwater in seas and rivers. The document further points to a verse referring to the front of the head, corresponding to the cerebrum, and verses describing deep seas with waves and darkness above and below, corresponding to internal waves.