T he atomic nucleus is made up of protons and neutrons, particles that exist through the interaction of quarks bonded by gluons. It would seem, therefore, that it should not be difficult to ...

I've always been fascinated with bodies, with animals, with humans, how they work, what they're made up of. Meat is composed of animal cells, the cell membrane, the cytoplasm, and the nucleus.

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...

Also, how the capsid ultimately opens up inside of the nucleus to release the viral genome has to be further investigated. Thus, understanding how HIV interacts with infected human cells will ...

An unstable nucleus can emit a ‘package’ of two protons and two neutrons, called an alpha particle, to become more stable. Alpha radiation is made up of a stream of alpha particles emitted ...