Societal systems – Complex or worse?

Sinusitis or something worse?

A 61-year-old man with a history of seizures presents for a routine visit. His last seizure was several months ago and occurred the day after falling from a ladder. He does not recall hitting his head during this fall. Otherwise, his seizures have been well controlled. His only complaint is a persistent runny nose. Computed tomography scans reveal opacity with a fluid level in the left sphenoid...

Complex fuzzy linear systems

Retirement: for better or worse?

enjoyed much more than work. “I’m so busy I don’t know how I had time to work!” Others are adrift. One of my physician colleagues, recently retired due to illness, and still adjusting, reported that he met another retired doctor, who summed up his retirement this way: “I used to be important.” Retirement and disability are quite different but may overlap. The person who retires because of a dis...

For Better or Worse ? Minireview

embryonic stem (ES) cells (as well as the numerous tools Over the past several years, the scientific and popular available for studying tumor development in the mouse), press has been bubbling over with experimental findings there are two important differences between mice and that would seem to be setting the stage for a magic humans regarding telomeres and telomerase regulation. bullet agains...

Simulation Validation for Societal Systems