A new analysis by The Wirecutter, a product-recommendation site owned by the New York Times, reveals that one-half of the “children’s headphones” allowed levels more than 85 dBA limit considered safe by the World Health Organization. Furthermore, many of the headphones tested had design flaws that allowed children to bypass safety limits easily. The worst devices tested produced outputs of 114 dBA for music, which could potentially cause temporary or permanent hearing loss in minutes.
The news isn’t all bad, though; the report did suggest several product recommendations based on testing, and also provided some guidance to parents concerned about risks of noise exposure from MP3 players.
Dragan L, Butterworth B. (2016) The Best Kids Headphones. December 6.
“Huh?” is used in at least 31 languages around the world! A version of the word can be found in nearly every language on Earth (Dingemanse et al, 2013). This research concluded that all languages studied included a word similar, in both sound and function, to the English “huh?” Regardless of language, the word is…
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)….