A hint of the Greek word bios, meaning "life", can be seen in microbe. Microbes, or microorganisms, include bacteria, protozoa, fungi, algae, amoebas, and slime molds. Many people think of microbes as simply the causes of disease, but every human is actually the host to billions of microbes, and most of them are essential to our life. Much research is now going into possible microbial sources of future energy; algae looks particularly promising, as do certain newly discovered or created microbes that can produce cellulose, to be turned into ethanol and other biofuels.
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Earth’s earliest forms of calcite, for example, developed through the watery alteration of meteorites; microbes then began to build other calcite structures 2.5 billion years ago, whereas snails and clams created new combinations beginning only 100 million years ago.—Paul Voosen, science.org, 1 Nov. 2024 Scientists say the slime in your dishwasher could unlock a solution to global warming
Scientists have scoured the ocean and outer space for microbes to help slow global warming.—Alexandra Banner, CNN, 24 Oct. 2024 Once the gut barrier is breached, even friendly microbes can stir up inflammation, causing health issues ranging from overweight to obesity, infection to autoimmune disease, and mild cognitive impairment to Alzheimer’s.—Christopher Damman, Discover Magazine, 23 Oct. 2024 In the Amazon’s tropical wetlands, where warm and moist conditions favor methane-producing microbes, emissions are on the rise.—Sergey Buchin, Forbes, 23 Oct. 2024 See all Example Sentences for microbe
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International Scientific Vocabulary micr- + Greek bios life — more at quick entry 1
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