Add Yahoo as a preferred source to see more of our stories on Google. Your small intestine is lined with tiny protrusions called villi that play a big role in digestion. Sebastian Kaulitzki/Science ...

Your gut is a wondrous place. A special layer of cells that coats the insides of your small and large intestines takes in nutrients and water from what you ate while keeping anything bad out of your ...

Your gut is a wondrous place. A special layer of cells that coats the insides of your small and large intestines takes in nutrients and water from what you ate while keeping anything bad out of your ...

The inner lining of the gut regenerates entirely every four to seven days, thanks to stem cells in the intestinal epithelium. Yet much remains shrouded in mystery regarding stem cells and what causes ...

Stem cells are a hot topic for creating medical treatments. However, scientists still do not fully understand how they choose to divide or differentiate to renew organs. Researchers have now found a ...