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As the winter months are approaching, experts are worried that the combination of new variants and other viruses could cause another harsh wave of Covid-19.
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Bacteria are evolving the ability to resist some of our most important antibiotics. Unless something is done, resistant strains of bacteria may kill 10 million people per year by 2050.
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When you take your temperature, we hope to find that we have a normal temperature of 98.6 degrees Fahrenheit. This might not be as normal as we think, though.
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Many people use antibacterial soap in order to get rid of bacteria. However, researchers have discovered that there are at least 250 kinds of bacteria that live on our skin. Some of the kinds they found were completely unknown.