Generally, a central point, group, or mass about which gathering, concentration, or accretion takes place. Specifically, a nucleus is a cellular organelle of eukaryotes that is essential to cell functions (as reproduction and protein synthesis) and is composed of nuclear sap and a nucleoprotein-rich network from which chromosomes and nucleoli arise. It is enclosed in a definite membrane.

Articles on that refer to Nucleus

Quantum Computing with Molecules By Isaac L. Chuang and Neil Gershenfeld
The Law of Accelerating Returns By Ray Kurzweil
Chapter 10: The Limits to Growth By K. Eric Drexler
Glossary By K. Eric Drexler
Tangible Nanomoney By Robert A. Freitas Jr.
How To Make a Nanodiamond By Robert A. Freitas Jr.
Chapter 1: Engines of Construction By K. Eric Drexler
Chapter 11: The Nature of Computation By Neil Gershenfeld
Notes and References By K. Eric Drexler
Bioconvergence: Progenitor of the Nanotechnology Age By Charles Ostman

News Articles that refer to Nucleus

Wrinkled cell nuclei may make us age
Dopamine shown to induce both desire and dread
Big brains for video games
Human fertility experiment prompts wrath
Kurzweil proposes research programs to replace DNA, block bioterror viruses
Here Kitty, Kitty, Kitty, Kitty
Nanoneedle gets into cells
Human cloning licence awarded to Dolly creator
Polymer Nanocapsules Deliver DNA to the Cell Nucleus
United Therapeutics to develop cancer therapies based on research in novel stem-cell-like cells, via exclusive license from MIT

Related Links

The Cell Nucleus
Comet Nucleus Tour