Dr. Glen MacPherson is the head of the World Hum Map and Database Project, a scientific investigation of the auditory phenomenon affecting thousands worldwide. Check out the project at www.thehum.info, where you can find information about the project, crowdsourced data, information for those hearing the noise, and guides for determining whether you are hearing the Hum or some other environmental noise.Further reading:“The Hum: An Anomalous Sound Heard Around the World”, by David Demig, Journal of Scientific Exploration Vol 18, No 4, pp 571-595, 2004“What is the Mysterious Global Hum - and is it simply noise pollution?” by Philip Jaekl, The Atlantic“It Took a Pandemic: Mystery of Windsor Hum is Solved,” Morning Edition, NPR“What is the Taos Hum?” by Benjamin Radford, Live Science“External or Internal?” and “Logic Map of the World Hum” by Henrik, The World Hum Map and Database Project