Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...
Morning Overview on MSN
Scientists uncover previously unknown life forms hiding inside the human body
The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two ...
An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...
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