News tagged with nucleus

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ISON comet has lost individual fragments

One or more chunks could have split off from the nucleus of comet ISON in recent days. Two wing-like structures in the gaseous environment of the comet, which have been photographed by a team of scientists ...

Nov 21, 2013
5 / 5 (7) 0 | with audio podcast

Fossil from the depths of the solar system

(Phys.org) —ISON is approaching the Sun. An international observation campaign which involves ground-based telescopes, space probes and space telescopes has been running for some time and is already providing ...

Nov 11, 2013
5 / 5 (11) 0 | with audio podcast

Tracking viral DNA in the cell

Cell biologists and chemists from the University of Zurich reveal how viral DNA traffics in human cells. They have developed a new method to generate virus particles containing labeled viral DNA genomes. This allowed them ...

Oct 16, 2013
4 / 5 (1) 0

Gene movements observed in vivo

Certain parts of DNA are highly mobile and their dynamic motion participates in controlling gene expression. The research team working under Maria-Elena Torres-Padilla, an Inserm research director at the ...

Oct 10, 2013
5 / 5 (2) 0

Comet ISON goes green

As NASA and the European Space Agency prepare their remote photojournalists – Mars Express, Mars Reconnaissance Orbiter and the Curiosity and Opportunity rovers – to capture photos of Comet ISON's flyby ...

Sep 30, 2013
3 / 5 (2) 0

Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) ...

Sep 23, 2013
4.8 / 5 (5) 1 | with audio podcast