Why does changing just one proton in the nucleus of an atom create a different element? The number of protons in an atomic ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

For the first time, quarks and gluons were used to describe properties of atomic nuclei, which until now had been explained by the existence of protons and neutrons. The temporary pair of correlated ...

For new, human-made heavy elements on the periodic table, being “too ‘big’ for your own good” often means instability and a fleeting existence. The more protons and neutrons scientists squeeze ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of ...

Scientists at Delft University of Technology have managed to watch a single atomic nucleus flip its magnetic state in real time. Using a scanning tunneling microscope, they indirectly read the nucleus ...

The Department of Veterans Affairs said it has granted about 570 of 4,100 claims as many radiation-exposed veterans die of cancer and old age. Thousands of veterans who say they were sickened by ...