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Researchers have identified distinct differences among the cells comprising a tissue in the retina that is vital to human visual perception. The scientists discovered five subpopulations of retinal pigment epithelium (RPE) -- a layer of tissue that nourishes and supports the retina's light-sensing photoreceptors. Using artificial intelligence, the researchers analyzed images of RPE at single-cell resolution to create a reference map that locates each subpopulation within the eye.

A colorful candy nonpareil coating gives pills a unique pattern that can be stored by the manufacturer in a database. Consumers could upload a smartphone photograph of a pill and if its CandyCode matches one in the database, the consumer could be confident that the pill is genuine. If not, it is potentially fraudulent.

Every species, from bacteria to humans, is capable of regeneration. Regeneration is mediated by the molecular processes that regulate gene expression to control tissue renewal, restoration and growth.

Historic graffiti of ships carved in an African fort were drawn by soldiers on guard duty watching the sea, experts believe.

A coaching program aimed at decreasing burnout among female resident physicians significantly reduced emotional exhaustion and imposter syndrome while increasing self-compassion over a six month period.

Researchers found that inversions in the human genome form more commonly than previously thought, which impacts our understanding of certain genetic diseases.

Results of a new study which asked participants to take a week-long break from TikTok, Instagram, Twitter and Facebook find positive effects for wellbeing, depression and anxiety.