Episode 4 of 4

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With many regions around the world experiencing severe droughts, what will happen human and animal life when there's no more potable water?

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Previous Episode:

How Much Fluoride Should Be In Your Water?:
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Why eating slowly may help you feel full faster
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"Many diet books advise people to chew slowly so they will feel full after eating less food than if they ate quickly. As we explain in the current issue of the Harvard Mental Health Letter, eating slowly doesn't always work, but when it does, the reason has as much to do with the brain as with the gut."

Water is the Most Important Nutrient:
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"Nutritionists spend a lot of time discussing total digestible nutrients, minerals, crude protein and even various fractions of protein. However, we often take for granted the most important nutrient, the one required in the greatest amount by any class of livestock - water."

The water in you:
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"Think of what you need to survive, really just survive. Food? Water? Air? Facebook? Naturally, I'm going to concentrate on water here. Water is of major importance to all living things; in some organisms, up to 90% of their body weight comes from water."

What Happens to Your Body When You're Dehydrated:
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"Dehydration is not a simple health issue. Anyone can run out of liquids in their body due to various reasons, so it is important that you always hydrate yourself with water. Read on to learn more about symptoms of dehydration and how to prevent it."

Restoring electrolyte balance:
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"A shift up. A shift down. Either way, an imbalance in electrolytes spells trouble for your patients. Averting a crisis hinges on your clinical skills. This review will help you sharpen them."

Thirst neurons anticipate the homeostatic consequences of eating and drinking:
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"Thirst motivates animals to drink in order to maintain fluid balance. Thirst has conventionally been viewed as a homeostatic response to changes in blood volume or tonicity."

Water Intoxication: Just How Much H2O Does It Take To Kill A Person?:
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"How much water does it take to kill a person? To be honest, not all that much. Paracelsus, the 16th century scientist known largely for establishing the role of chemistry in medicine came up with the concept that everything can be poisonous, or not, depending on the dose."

'The water table is dropping all over the world': NASA warns we're on the path to global drought:
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"Twenty-one of the world's 37 largest aquifers - in locations from India and China to the United States and France - have passed their sustainability tipping points, meaning more water is being removed than replaced from these vital underground reservoirs."

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DNews Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. DNews Plus is also offered as an audio podcast on Soundcloud.

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