News tagged with nucleus

Related topics:

Nuclear physics' interdisciplinary progress

The theoretical view of the structure of the atom nucleus is not carved in stone. Particularly, nuclear physics research could benefit from approaches found in other fields of physics. Reflections on these aspects were just ...

dateMay 10, 2016 in General Physics
shares13 comments 0

The colour-changing comet

Rosetta's comet has been seen changing colour and brightness in front of the ESA orbiter's eyes, as the Sun's heat strips away the older surface to reveal fresher material.

dateApr 08, 2016 in Space Exploration
shares281 comments 0

Why do we still have mitochondrial DNA?

The mitochondrion isn't the bacterium it was in its prime, say two billion years ago. Since getting consumed by our common single-celled ancestor the "energy powerhouse" organelle has lost most of its 2,000+ genes, likely ...

dateFeb 18, 2016 in Biotechnology
shares1375 comments 66

The importance of mixed motifs

Local modifications in histone proteins alter DNA packing density in the cell nucleus to regulate gene activity. They also form the basis of a code in which the significance of a given pattern or motif depends on its broader ...

dateJan 28, 2016 in Biotechnology
shares5 comments 0