Eating is one of life’s few constants: If you’re not eating right now, you’ll certainly be eating something within a few hours. But when and how often we should eat is still not fully understood.

Planarians are a striking model for studying regeneration owing to their extraordinary capacity to reform entire body structures from small tissue fragments. This ability is mediated primarily by ...

A new study reported in Nature has determined that the amino acid cysteine could promote regeneration among cells in the small intestine. The work showed that cysteine can activate an immune signaling ...

Regeneration sounds like a superpower. It is the ability to regrow lost tissues, organs, or limbs. Some creatures, like axolotls or starfish, do this effortlessly. Their bodies replace what was ...

While humans can regularly replace certain cells, like those in our blood and gut, we cannot naturally regrow most other parts of the body. For example, when the tiny sensory hair cells in our inner ...

Zebrafish can regenerate sensory hair cells that humans permanently lose, like those in the inner ear linked to hearing and balance. New research reveals two specific genes that control how different ...