Today, you’ll learn about why our brains are getting bigger and why that’s a good thing, how the sweet songs of the reef could help save it, and an AI device that gives a voice to the voiceless.     Bigger Brains     “Human brains are getting larger. That may be good news for dementia risk.” UC David Health. 2024.  “Trends in Intracranial and Cerebral Volumes of Framingham Heart Study Participants Born 1930 to 1970.” by Charles DeCarli, MD, et al. 2024.  “Framingham Heart Study.” Framingham Heart Study. N.d.  “Study examines factors behind decline in dementia incidence.” NIH. 2016.    Reef Songs    “Sounds appealing - reef recordings entice coral larvae to start building.” by Ben Coxworth. 2024.  “Life Below Water.” UN. n.d.  “Status of Coral Reefs.” Reef Resilience Network. N.d.  “Soundscape enrichment increases larval settlement rates for the brooding coral Porites astreoides.” by Nadege Aoki, et al. 2024.    AI Speech    “Speaking without vocal cords, thanks to a new AI-assisted wearable device.” by Christine Wei-li Lee. 2024.  “Speaking without vocal folds using a machine-learning-assisted wearable sensing-actuation system.” by Ziyuan Che, et al. 2024.    Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.  Hosted on Acast. See acast.com/privacy for more information.