1. One-ninth of all water on Earth is hydrogen.

2. In the meantime, has final say over one-ninth of Earth's land area, vast energy and mineral resources.

3. To vibrate three times as fast, or once in every third part of a second, the cord had to be only one-ninth of 39.1 inches in length.

4. Cargill MacMillan Jr., who was a longtime board member, controlled about one-ninth of the family share, worth $2.6 billion, placing him 150th on the Forbes 400 list of wealthiest Americans.

5. Besides this, China's per-capita average of forested land, grassland and freshwater resources amounts to only one-ninth, one-third and one-fourth of the respective world averages.