In human cells, there are about 20,000 genes on a two-meter DNA strand—finely coiled up in a nucleus about 10 micrometers in ...

Challenging the long-standing assumption that a cell’s nucleus contains a complete set of chromosomes, recent research ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Nuclear energy is a form of energy released from the ...