Infrasound Can Subtly Raise Stress and Discomfort, New Study Finds
New research suggests that infrasound — very low-frequency sound below 20 Hz — can increase cortisol levels and…
Study finds infrasound the likely horror in hauntings
Noise below the range of human hearing from old pipes, machinery and ventilation systems can induce stressful sensations,…
SMU Researchers Scale Juicebox-Sized Infrasound Sensor to Expand Field Research » Dallas Innovates
Stephen Arrowsmith uses the Sapphire microbarometer to measure low-frequency sound thousands of miles away. [Photo: SMU] Geophysicists at…