On hanging up my stethoscope

Stethoscope Acoustics

IT is an anachronism that the stethoscope, introduced in 1819, remains an indispensable medical tool today although no standards have ever been set for its acoustical performance.' Neither has a standard test been established for evaluating the acoustics of the intact instrument. Furthermore, there is no information on the intimate acoustical interaction of the stethoscope with the doctors' ear...

Chromatin: Hanging on to histones

The core histones have long been known to have an important role in the packaging of DNA into nucleosomes. Today, nucleosome assembly is recognized as an integral component of both transcriptional activation and repression [1]. Transcriptional control is mediated through the assembly of extensive nucleoprotein structures containing both conventional transcription factors and architectural facto...

Endangered Norwegian livestock hanging on

Embedded Stethoscope

A stethoscope is an instrument used for auscultations to convey heart sounds as well sounds in the other parts of the body. However, traditional stethoscopes are restricted only to audio representation of such sounds and the diagnosis depends on the expertise of the doctor. This project is an attempt to develop an Embedded Stethoscope to capture heart sounds which offers better noise cancellati...

Level Up, My-Pet: The Effects of Level-up Mechanism of Educational Agents on Student Learning

A number of studies have been devoted to investigating the influence of educational agents on different aspects of student learning. However, little attention has been paid to the effects of the level-up mechanism of educational agents on students although this is a significant issue. Thus, this study develops an educational agent with the level-up mechanism so that the effects of the level-up ...