Ever wonder how much ambient noise is too much?
The authors of this article from the Journal of the Acoustical Society of America report that ambient noise may be the “new secondhand smoke.”
In 2019, these researchers found that levels as low as 30 dBA can have negative health consequences. This study reveals the potential health risks associated with excessive ambient noise. The authors discuss the implications of these findings and as well as the need for information and standards for noise control to tackle the noise problems our society is facing.
Fink D (2019). Ambient noise is “the new secondhand smoke.” J Acoustical Soc Amer 146:2835.
If you have a dog or cat, you’ve probably seen their ears moving toward an interesting or startling sound. For professional equestrians, watching the ears of their horse allows them to gauge their shifting attention. Humans still have these same muscles, and even more interesting is their relationship to our brain and how we pay attention. …
Tai Chi is not just for increasing balance; it may also help improve cognitive performance. In a recent randomized controlled trial, study participants who practiced a form of Tai Chi twice a week for six months improved their scores on the Montreal Cognitive Assessment (MoCA) when compared to a control group (Fuzhong et al, 2023)….
The majority of people are familiar with earthquakes, but there is another phenomenon that is not nearly as predictable, and louder—skyquakes. Skyquakes are enigmatic sounds, typically described as a very loud boom or trumpet-sounding noise that has no apparent cause and seems to come from the sky. Their sound is like distant, but very loud, thunder with…