13 But much of that freshwater is locked up as ice in glaciers, ice caps and permafrost. People get most of their water from rivers, which make up only 0.49 percent of surface freshwater. What if we could diversify and pull water from the air, instead?
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This Water Bottle Refills Itself From Moisture in the Air
New technology helps pinpoint sources of water contamination
When the local water management agency closes your favorite beach due to unhealthy water quality, how reliable are the tests they base their decisions on? As it turns out, those tests, as well as the standards behind them, have not been updated in decades. Now scientists from Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a highly accurate, DNA-based method to detect and distinguish sources of microbial contamination in water.
Using the award-winning PhyloChip, a credit card-sized device that can detect the presence of more than 60,000 species of bacteria and archaea, the new method was found to be more sensitive than conventional methods at assessing health risks. In tests at the Russian River watershed in Northern California, the Berkeley Lab researchers found instances where their method identified potential human health risks that conventional fecal indicator tests had failed to detect. Conversely, they also found instances where the conventional tests flagged bacteria that weren’t likely risks to human health. Read more
Telling Children about Water: Experiments for Little Ones
What do you think, is it possible to get a rainbow at home? Is it possible to grow real crystals in a regular glass? Can you build the desalination plant from scrap materials? The answer is yes, and it’s not alchemy and not magic. You can do all this and much more at home with the children. Plain water and a set of elementary gadgets will help us.
Even the most ordinary water flowing from the tap, is not as simple as it seems. Its physical properties are full of many mysteries and secrets. Let’s try to unravel some of them.
Rainbow. The beautiful natural phenomenon leads to delight of both children and adults, and it turns out, it can be seen not only in the sky after the rain. Did you miss the rainbow? So create it at home! For experiment it is necessary to choose a sunny day, arm yourself with the mirror and a relatively large container of water, like the three-liter jar. Put the mirror in a jar, catch a ray of sunshine and you’ll be surprised to observe how a light turns into a rainbow.
Could water ice deposits be lurking in Ceres’ polar craters?
Using data collected by NASA’s Dawn spacecraft, an international team of astronomers has created a Map of the dwarf planet Ceres’ northern hemisphere detailing regions that exist in permanent shadow. According to the study, these dark zones house conditions favorable to the existence of water ice.
7 Amazing Facts about Jellyfishes
One of the most fascinating creatures of the sea would be jellyfishes. Due to the rapid increment of the jellyfish population over the recent years, it has led to scientists believing that jellyfishes might take over the World’s ocean in the future! Contrary to popular belief, vast majority of the jellyfishes aren’t dangerous to humans, while the few are certainly painful and often deadly!