![](https://static01.nyt.com/images/2023/10/11/multimedia/00KAISER-HFO-kcft/00KAISER-HFO-kcft-mediumThreeByTwo440.jpg)
By Reed Abelson and Emily Baumgaertner from NYT Health https://ift.tt/lhnCDgA
New sensors can transform earbuds into powerful health monitors that track brain activity and lactate levels in sweat. They could help doctors diagnose, monitor, and treat disease.
Twin speak, aka cryptophasia, can seem like a language all its own. Learn what this phenomenon really means.