2 - In a period of 100 years, a water molecule spends 98 years in the ocean, 20 months as ice, 2 weeks in lakes and rivers and less than a week in the atmosphere.
3 - Raindrops are not tear-shaped. Using high speed cameras, scientists have found that rather have a flattened spheroid.
4 - Water accounts for 55% of the weight of an adult human. And we need to drink about two liters of water a day.
5 - A person can survive a month without food, but only up to seven days without water.
6 - Most of the water we consume every day from food. 95% of a tomato is water. They also have a high water content of apples (85%), spinach (91%) or potatoes (80%).
7 - just a few weeks ago, engineers at the University of Florida created a flat surface that does not wet, but water droplets roll on it. To achieve what they did was play in plastic form and patterns of tiny hairs that grow on the bodies of spiders, which are designed to stay dry at all times.
8 - It takes 450 liters of water to produce a chicken egg, 7,000 liters to refine a barrel of crude oil and 148,000 liters to produce a car.
9 - At the University of Tokyo have developed a material called spring water from a mixture of two grams of clay, organic matter and natural water. It is ideal for manufacturing drugs and to repair tissues.
10 - Aquagenic Urticaria is a very rare allergic reaction to water. There is hardly a thirty cases in the literature and is believed to be due to the presence in the skin of an antigen-a substance that activates the immune system-soluble. In contact with water, the antigen is dissolved, through the skin and causes the cells to release histamine defense. This causes the appearance of hives, itching and other allergic symptoms.
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