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The idea that the human body completely regenerates itself every seven years is a widely shared “fact.” But how much truth is ...

Scientists have uncovered a surprisingly simple “tissue code”: five rules that choreograph when, where, and how cells divide, move, and die, allowing organs like the colon to remain flawlessly ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Despite existing in the food safety danger zone, the living human body does not go bad. Like in a tower defense game, our body is picking off invaders on multiple fronts at all times. The mitochondria ...

There are a few body parts that remain the same size from the moment we're born until the end of our lives. The human body is an incredible structure of balance, precision, and evolution. While most ...