A Moment of Science
Very few people actually sit down and make up jokes, yet everyone is always telling jokes. Where do they come from? Learn more on this Moment of Science.
Household drugs like painkillers, antibiotics and hormones enter the water system in many ways. For example, some animal feeds contain antibiotics and might flood into rivers with run-off, while other antibiotics are flushed or dumped down sinks and toilets in homes.
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