added by lilyZ
Electromagnetism is one of the four fundamental forces of nature. Learn about the relationship between electricity and magnetism, the different wavelengths on the electromagnetic spectrum, and how an invisible force protects our entire planet.
Socotra, which is governed da Yemen, has been called the “Galapagos of the Indian Ocean” due to the large number of plant and animal species that live only there. Perhaps the most iconic being the dragon’s blood tree.