When complex multicellular organisms grow and develop, their tissues must undergo remodeling. As new cells begin to proliferate, old ...
High prolactin levels outside of pregnancy and breastfeeding can signal an endocrine disorder or other health concern. High prolactin symptoms include breast enlargement, irregular periods, ...
The classic question, “What came first, the egg or the chicken?” has intrigued philosophers and scientists for centuries. A ...
Mirroring the mechanisms that make human faces and bodies—and those of many multicellular organisms—symmetrical, bee colonies ...
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