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In a world where water is running short, we need to find an affordable way to remove the salt from seawater. The UN reports that about 780 million people around the world do not have access to clean drinking water.

A defense contractor may have found a way to solve this problem without building expensive desalinization plants.

Officials and engineers at Lockheed Martin have invented a filter made of an incredibly thin sheet of graphene, a substance similar to the lead in pencils, with holes about a nanometer in size (a nanometer is a billionth of a meter) that allow water to pass through but block molecules of salt.
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If there was water on the moon, we could colonize it (and take an elevator there). Well, there just may be: Traces of water have been detected within the crystalline structure of mineral samples from the lunar highland upper crust obtained during the Apollo missions.

The lunar highlands are thought to represent the original crust, crystallized from a magma ocean on a mostly molten early moon. Over the last five years, spacecraft observations and new lab measurements of Apollo lunar samples have overturned the long-held belief that the moon is bone-dry. The new findings indicate that the early moon was wet and that water there was not substantially lost during the moon’s formation.
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Food allergies are on the rise, affecting 15 million Americans, pesticides and tap water could be partially to blame. High levels of dichlorophenols, a chemical used in pesticides and to chlorinate water, when found in the human body, are associated with food allergies. An increase in food allergy of 18% was seen between 1997 and 2007. The most common food allergens are milk, eggs, peanuts, wheat, tree nuts, soy, fish, and shellfish, and symptoms can range from a mild rash to a life-threatening reaction known as anaphylaxis.
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You may not know it, but you’re probably drinking recycled water right now. But water from "Fracking?" The process uses as much water as the entire cities of Chicago or Houston, but can it be made safe to drink?

It takes between 70 and 140 BILLION gallons of water to frack 35,000 wells a year at the industry’s current pace.

While the recycled water can’t be cleaned up enough for drinking or growing crops, it can be cleaned of chemicals an rock debris and used to frack additional wells, which could sharply cut the costs that energy companies face securing and disposing of the water. read more