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Microbiology

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Kitchen sponges are a must-have cleaning item, but traditional sponges usually harbor unwanted bacteria, odors, and mold if they aren’t switched frequently. These smart alternatives to disposable kitchen sponges will stay clean while they clean.

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Dogs may also have an effect on the human body’s intestinal bacterial population known as the microbiome, because they introduce germs to the home, says Kazi. These microbiome changes may help heart health, an effect similar to that seen when you eat healthy probiotics found in fermented foods.

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Before you populate your new tank with fish, make sure that the water is properly cycled. The cycling process allows colonies of healthy bacteria to grow on the filter, thereby making the water in the tank habitable.

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A host of products on the market claim to protect you from germs — “self-cleaning” surfaces, ultraviolet (UV) lights, and even substances you’re supposed to ingest, says Starnbach. Many of these items have some scientific basis, but it’s often a big leap from that basic science to the final product, he says. For example, one type of “self-cleaning” surface claims to use crystals to kill germs. While those crystals might indeed kill germs in a laboratory, it’s not at all clear that they work the same way to kill germs in a real-life setting, says Starnbach. So, there is much room for skepticism.

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Coronavirus doesn't seem to have changed in a way that makes people less or more sick. There's some evidence that a specific mutation called D614G may have made it easier for the virus to be transmitted between people. But not all scientists are convinced, and it's hard to say how strong any such effect might be.

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TRUMP, on what happened after he restricted travel from China: “Nancy Pelosi was dancing on the streets of Chinatown in San Francisco a month later, and even later than that, and others, too.” — Rose Garden remarks Tuesday.

Z-no-digital

The Virginia Department of Health reported Friday that the statewide total for COVID-19 cases is 56,793 — an increase of 555 from the 56,238 r…

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CLAIM: Maps show a correlation between confirmed COVID-19 cases and locations where 5G wireless service has been installed.

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