Within almost every human cell is a nucleus six microns in diameter-about one 300th of a human hair's width-that is filled with roughly three meters of DNA.
It is estimated that as many as half of patients taking cancer drugs experience a decrease in mental sharpness. While there have been many theories, what causes "chemo brain" has eluded scientists.
New report in the FASEB Journal maps the transcriptome of human skeletal muscle, revealing never-before-identified gene activity and that men have more active muscle genes than women have
The traditional view is that learning is based on the strengthening or weakening of the contacts between the nerve cells in the brain. However, this has been challenged by new research findings from Lund University in Sweden. These indicate that there is also a third mechanism – a kind of clock function that gives individual nerve cells the ability to time their reactions.