Inside the human eye, the retina is made up of several types of cells, including the light-sensing photoreceptors that initiate the cascade of events that lead to vision.

Clashes were reported between two tribes in Manipur's Churachandpur district on Tuesday night, two days after a leader of the Hmar tribe was thrashed by unidentified people.

Failure to agree on global grants to help low- and middle-income countries to achieve net-zero emissions cannot be the end of the story. An urgent solution is needed.

The huband-wife team will split their time between Miami and Spain.