Raymond Minaya, 29, is facing a longer sentence in part due to a sharpened metal rod and cell phones found stashed in his jail cell.

These cells are shaped like rods and cones and are named for their shapes. In each eye, there are approximately 120 million rod cells and six million cone cells; rod cells are more sensitive to ...

A typical human possesses something like 120 million light-registering rod cells in their eyeballs. Jammed along the surface ...

The 3D ‘mini eyes’, known as organoids, were grown from stem cells generated from skin samples donated by patients at Great Ormond Street Hospital for Children (GOSH). In a healthy eye ...

Fish living in dim conditions can have as many as 28 layers of light-sensitive rod cells at the back of their eyes, known as a multibank retina. But exactly how this helps them to see in low light ...