New Delhi — Police in India have launched an investigation after a doctor claimed he found part of a human finger in an ice cream cone he ordered online. Dr. Orlem Brendan Serrao, who lives in ...

The team noted high expression of RA synthesis genes early in human retinal organoid development that decreased over time, similar to what occurs in zebrafish. To test whether RA promoted M or L cones ...

Turns out, dogs have fewer cone receptors than humans — which means they can't see as many colors. Human cones can detect 3 colors: red, green, and blue. Dog cones can only detect 2 colors.

Researchers report they have used retinal cone photoreceptors derived from human stem cells to restore vision in mice with advanced retinal degeneration. They are now designing a clinical trial to ...