Hazards of electromagnetic radiation. Over-exposure to certain types of electromagnetic radiation can be harmful. The higher the frequency of the radiation, the more damage it is likely to cause to the body: 1  microwaves cause internal heating of body tissues. 2  infrared radiation is felt as heat and causes skin burns.ver-exposure to certain types of electromagnetic radiation can be harmful. The higher the frequency of the radiation, the more damage it is likely to cause to the body:
The Full Story of Hussain ibn Ali. Hussain ibn Ali, the grandson of Prophet Muhammad took a stand against Yazidâs illegitimate rule. Whilst Yazid was in equal parts feared and despised for his ruthlessness, Hussain was admired and respected by society at large.
Ibn Battuta was a Moroccan explorer who traveled extensively throughout the known world. His accounts of his exploits were published in a book known simply as Journey. His travels lasted three decades, during which he visited many parts of Africa, Asia, and Europe. In all, he covered a distance about three times as great as Marco Polo, who lived at about the same time. As such, Ibn Battuta is considered one of the great explorers of the medieval period.