Arsenic compounds have been known for thousands of years (since at least the days of Ancient Rome and Greece). They were used by poisoners as well as physicians.
Our planet’s first forms of food and first forms of life for subsequent species now hold the potential to become Earth’s next great source of energy and a vital part of the solutions on dependence on fossil fuels and climate change.
Copper is malleable, tough and highly conductive. It is one of the most important metals in the world. Copper important role in modern technology and is essential to all living things.
Aluminum has been used in a number of ways in the last decades. Many objects that simplify and increase the quality of our lifes are partly made of this element.
In the past, most chemists had difficulty separating elements which were similar to each other. Elements with similar properties couldn't be separated until the tests in the 18th century.
Alcohol comes in a number of types that can be used in many areas of our lives. The most common use is definitely in drinks. However, alcohol has other uses, too.
McDonald’s Corporation started off as a small, single restaurant about 70 years ago. Since then, the company has grown into over 31,000 franchises in 119 countries.