News tagged with cells nucleus
S.Korean, Russian scientists bid to clone mammoth
Russian and South Korean scientists have signed a deal on joint research intended to recreate a woolly mammoth, an animal which last walked the earth some 10,000 years ago.
Mar 13, 2012 |
4.3 / 5 (36) |
21
Ticking of cellular clock promotes seismic changes in the chromatin landscape associated with aging
Like cats, human cells have a finite number of lives-once they divide a certain number of times (thankfully, more than nine) they change shape, slow their pace, and eventually stop dividing, a phenomenon called ...
Oct 03, 2010 |
4.8 / 5 (19) |
0
|
Explained: Bandgap
Why do some materials work well for making solar cells or light-emitting diodes (LEDs), while other materials don't? One key factor is having the right bandgap.
Jul 23, 2010 |
4.8 / 5 (17) |
11
|
Research breakthrough on the question of life expectancy
Why do we grow old and what can we do to stop it? This is the question asked by many, but it appears that we are now closer to an answer thanks to new research published by Monash University researcher Dr ...
Aug 05, 2010 |
4.5 / 5 (16) |
3
|
Discovery of extremely long-lived proteins may provide insight into cell aging
One of the big mysteries in biology is why cells age. Now scientists at the Salk Institute for Biological Studies report that they have discovered a weakness in a component of brain cells that may explain ...
Feb 03, 2012 |
4.9 / 5 (13) |
0
|
Rapidly evolving gene contributes to origin of species
A gene that helped one species split into two species shows evidence of adapting much faster than other genes in the genome, raising questions about what is driving its rapid evolution.
Biology /
Feb 05, 2009 |
4.8 / 5 (11) |
1
New microscope reveals ultrastructure of cells
German researchers at Helmholtz-Zentrum Berlin have developed a new X-ray nanotomography microscope. Using their new system, they can reveal the structures on the smallest components of mammalian cells in ...
Nov 19, 2010 |
4.6 / 5 (11) |
2
|
Physicists make crystal/liquid interface visible for first time
"Imagine you're a water molecule in a glass of ice water, and you're floating right on the boundary of the ice and the water," proposes Emory University physicist Eric Weeks. "So how do you know if you're ...
Aug 11, 2009 |
4.2 / 5 (11) |
13
Researchers pinpoint a new enemy for tumor-suppressor p53
Researchers at The University of Texas M. D. Anderson Cancer Center have identified a protein that marks the tumor suppressor p53 for destruction, providing a potential new avenue for restoring p53 in cancer ...
Jun 26, 2009 |
4.5 / 5 (10) |
3
Cancer-causing gene discovery suggests new therapies
Scientists have discovered a novel way by which a much-studied cancer-promoting gene accelerates the disease. The finding suggests a new strategy to halt cancer's progress.
Jan 24, 2009 |
5 / 5 (6) |
1
Major breakthrough offers hope of preventing mitochondrial diseases
(PhysOrg.com) -- Scientists at Newcastle University have developed a pioneering technique which enables them for the first time to successfully transfer DNA between two human eggs. The technique has the potential to help ...
Medicine & Health / Medical research
Apr 14, 2010 |
4.8 / 5 (6) |
0
|
'Black box' plankton found to have huge role in ocean carbon fixation
Carbon fixation by phytoplankton in the open ocean plays a key role in the global carbon cycle but is not fully understood. Until now researchers believed that cyanobacteria overwhelmingly accounted for phytoplankton's role ...
Apr 15, 2010 |
4.8 / 5 (6) |
1
|
Tumor mechanism identified
Researchers from the Peninsula Medical School in Plymouth (UK), the Memorial Sloan-Kettering Cancer Center in New York, Cornell University in New York, Weil Medical College in New York and the Center for Neural Tumour Research ...
Feb 22, 2010 |
4.7 / 5 (6) |
0
|
Histone H1 regulates gene activity throughout the cell cycle
A protein that helps pack DNA into the cell nucleus has an important role in regulating gene activity, scientists report. The researchers found that the protein, histone H1, also takes part in the formation ...
Jul 01, 2010 |
5 / 5 (5) |
0
|
Energy revolution key to complex life
The evolution of complex life is strictly dependent on mitochondria, the tiny power stations found in all complex cells, according to a new study by Dr Nick Lane, from UCL (University College London), and ...
Oct 20, 2010 |
5 / 5 (5) |
0
|
