Once upon a time, many of the world's creatures had, in addition to the pair of eyes we are accustomed to seeing in animals, a third eye, perched on their head. A vestige of an early and mysterious stage of evolution, this eye still exists, …
Many walls of old buildings have been damaged and repaired in the wrong way. In the repair of old buildings must use the same techniques and materials. It is important for owners, designers and contractors understand the best way to preserve the heritage of our …
Being the primary caregiver for someone with cancer can be a challenging and difficult experience for anyone. As a caregiver, it can be easy to forget about yourself. Follow these tips to ensure that you stay strong for your loved one. 1. Take time to check …
The water molecule is a chemical compound of hydrogen and oxygen, with the chemical formula H2O (consisting of two hydrogen atoms and one oxygen atom). Hydrogen, the first chemical element needed to obtain water, is the simplest chemical element (it has atomic number 1, so it …
Mankind is fast approaching the ultimate adventure: the colonization of outer space. In a few decades we will take control of the Moon and the planet Mars. The adventure will continue and, once we have the necessary technologies, we will travel to the stars. Although we …
