Though many bacteria can cause us harm, from a simple upset tummy to the Plague, without many bacteria we wouldn't even be here. Gut-dwelling bacteria outnumber the human (or biological) and germ cells in your body by a 10-to-1 ratio and without them you couldn't digest most of the foods you eat and there would be no cheese or yoghurt to eat if it weren't for bacteria. Bacteria are used in medicines from insulin to treat diabetes to botox. Imagine a world where nothing ever decomposed. That's thanks to bacteria which makes up 80 to 90% of the billions of microorganisms found in a gram of compost. Researchers are looking to bacteria to produce fuels, to clean up oil spills and are even using bioluminescent bacteria to detect land mines. Bacteria are being used to help combat pests such as mosquitoes. If that weren't enough it was cyanobacteria that 2.45 billion years ago transformed the planet's atmosphere into the oxygen-rich environment we know today. By studying bacteria scientists have been able to study evolution in action. extremophile bacteria have expanded the definition of life and where it may thrive elsewhere in the universe and it was bacteria that helped us take the first steps toward creating new, synthetic forms of life
Posted by Astrojenny
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