Dementia Is a Terminal Illness, But Palliative Care Often Poor. October 16, 2009 â A new study looking at the natural history of dementia into its end stages finds high rates of complications, high 6-month mortality rates, and a high number of distressing symptoms and aggressive interventions of questionable benefit.
Measuring Earthquakes. The vibrations produced by earthquakes are detected, recorded, and measured by instruments call seismographs. The zig-zag line made by a seismograph, called a seismogram, reflects the changing intensity of the vibrations by responding to the motion of the ground surface beneath the instrument.
Seismographs measure vibrations produced during earthquakes. All earthquakes, regardless of size, generate vibrations deep within the earth. These vibrations are caused by the breaking and fracturing...