Psychology & Psychiatry

Is humming healthy? Mmm, here's what the evidence says

There are plenty of health claims about humming. They include reducing stress, helping you breathe more easily, relieving sinus congestion, lowering your blood pressure and lifting your mood.

Biomedical technology

Improving hearing in an increasingly noisy world

As knowledge increases about how auditory troubles develop, new technological advances are set to cut through the clamour. Meeting a few friends in a noisy café can mean straining to hear all the conversation. It can be ...

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Longitudinal wave

Longitudinal waves are waves that have same direction of oscillations or vibrations along or parallel to their direction of travel, which means that the oscillations of the medium (particle) is in the same direction or opposite direction as the motion of the wave. Mechanical longitudinal waves have been also referred to as compressional waves or compression waves.

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