Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of ...

Recently, scientists at Stanford University began to wonder why identical lab mice, bred with the same DNA and brought up in identical conditions, wound up so different in their old age. Some mice ...

You might celebrate one birthday each year, but inside your body, different organs are marching to their own biological drums. That number on your driver’s license? It’s just a rough average that ...

Irish researchers confirm that the mesentery — a fold of membrane that connects the intestine to the abdomen — is its own continuous organ, and not a series of fragmented parts like experts had ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...