Fourteen centuries ago, Allah sent down the Qur'an to mankind as a book of guidance. He called upon people to be guided to the truth by adhering to this book. From the day of its revelation to the day of judgement, this last divine book will remain the sole guide for humanity. The matchless style of the Qur'an and the superior wisdom in it are definite evidence that it is the word of God. In addition, the Qur'an has many miraculous attributes proving that it is a revelation from God. One of these attributes is the fact that a number of scientific truths that we have only been able to uncover by the technology of the 20th century were stated in the Qur'an 1,400 years ago.
Of course the Qur'an is not a book of science. However, many scientific facts that are expressed in an extremely concise and profound manner in its aayath have only been discovered with the technology of the 20th century. These facts could not have been known at the time of the Qur'an's revelation, and this is still more proof that the Qur'an is the word of God. 
It was commonly believed, for several centuries, that the body is all sensitive to pain. It was not clear then that there were specialized nerves in the body responsible for transporting all kinds of pain and other sensations, until recently when anatomy has discovered the role of specialized nerve endings in transporting all different kinds of pain.
The most significant nerve sensations in the human body are:
Taking skin burns as a distinct cause for the skin sensation of pain, burns can be divided into 3 types:
1- Burns of first degree (sun burns):
These affect the epidermis causing swelling and moderate pain. The phenomena of redness, swelling and pain usually disappear within two to three days. (Figure 1).
2- Burns of second degree:
Epidermis and dermis are injured. In such a case, a detachment occurs between epidermis and dermis, causing the collection of secretions between these two layers (Figure 2). The injured person suffers from severe pain, and excessive increase of pain sensation, due to irritation of exposed nerve ending particularly after the outburst of blisters. The skin starts to heal within 14 days as a result of the process of renovation and inversion under the skin.
3- Burns of third degree:
The whole skin thickness is burned and perhaps the injury may reach the muscles or the bone. The skin loses elasticity and becomes rough and dry. In this case, the injured person do not feel much pain, as nerve endings have been damaged almost completely due to burning. 
Those who reject our signs, We shall soon cast into the fire. As often as their skins are roasted through, We shall change them for fresh skins, that they may taste the chastisement. Truly Allah is Exalted in Power, Wise.(Qur'aan 4:56) This knowledge about sensation had been known long before, because it says that if somebody does something wrong, then he will be punished by burning his skin and thenAllah puts a new skin on him, covers him, to make him know that the test is painful again. That means they knew many years ago that the receptor of pain sensation must be on the skin, so they put a new skin on.
The skin is the center of sensitivity to burns. Thus, if the skin is completely burnt by fire, it loses its sensitivity. It is for this reason that Allah will punish the unbelievers on the Day of Judgment by returning to them their skins time after time.
Different colors are signs from Allah. Allah says: “And among His Signs is the creation of the heavens and the earth, and the variations in your languages and your colors: verily in that are Signs for those who know.” Quran Sûrah al-Rûm 30: 22 
Abû Mûsâ al-Ash`arî relates that the Prophet (peace be upon him) said: “Allah created Adam from a handful taken from all over the Earth. Therefore, the descendants of Adam came forth corresponding to the Earth. Some are red, some are white, and some are black, and some are intermediate between those. Some are easygoing, some are difficult, some are bad, and some are good.” The hadîth is related by al-Tirmidhî (2955) and Abû Dâwûd (4693). It is declared authentic by al-Albânî and others. 
All that we have seen so far shows us one clear fact: the Qur'an is such a book that all the news related in it has proved to be true. Facts about scientific subjects and the news given about the future, facts that no one could have known at the time, were announced in its verses. It is impossible for this information to have been known with the level of knowledge and technology of the day. It is clear that this provides clear evidence that the Qur'an is not the word of man. The Qur'an is the word of the Almighty God, the Originator of everything and the One Who encompasses everything with His knowledge. In one verse, God says on the Qur'an "If it had been from other than God, they would have found many inconsistencies in it." (Qur'an Surah 4:82) Not only are there no inconsistency in the Qur'an, but every piece of information it contains reveals the miracle of this divine book more and more each day.
What falls to man is to hold fast to this divine book revealed by God, and receive it as his one and only guide. In one of the verses, God calls out to us:
"And this is a Book We have sent down and blessed, so follow it and have fear of God so that hopefully you will gain mercy." (Qur'an Surah 6:155)
In other aayaath, Allah remarks: "Say: 'It is the truth from your Lord. Let anyone who wishes to, believe, and let anyone who wishes to, disbelieve.'" (Qur'an Surah, 18:29)
   http://www.missionislam.com/science/book.htm