![]() These resistant bacteria grow and multiply in clinical settings and in the environment. The more we use them, the more we kill off susceptible bacteria, leaving bacteria that are resistant to antibiotics. ![]() It is not an overstatement that antibiotics have changed the world.īut antibiotics also have a flip side, when their use is widespread. They allowed us to survive bacterial infections and enabled more complex surgeries and medical procedures. Some are harmful, causing infections that were often deadly-right up until the 1940s when people discovered and began to use antibiotics. ![]() I always remember that bacteria can live without humans (and do!), but humans cannot survive without bacteria. They are the tiny agents that invisibly move nutrients throughout ecosystems everywhere on Earth. Bacteria produce the oxygen that we breathe. I think bacteria-the microscopic organisms all around us-are incredible. Instead of examining bacteria on my own hands, I study bacteria that live on Cape Cod beaches, and I study them in a laboratory instead of my family’s kitchen.īut some things remain the same. student, I am still growing bacteria-with some small changes. Luckily for me, my parents and sisters were willing to let me experiment in our kitchen. I wanted to investigate if soap, antibacterial lotion, or hand sanitizer was most effective in reducing bacteria. That’s where I had put petri dishes growing bacteria for my seventh-grade science fair experiment. ![]() ![]() It wasn’t coming from unwashed dishes in the sink it came from the top of the refrigerator. The time had come to examine the dishes creating that noxious smell throughout the kitchen. ![]()
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