https://www.smithsonianmag.com/rss/tag/cognition/RSS feed for CognitionenThu, 24 Sep 2026 19:01:33 +0000https://www.smithsonianmag.com/smart-news/some-birdsongs-are-more-pleasing-to-human-ears-than-others-higher-pitched-complex-calls-tend-to-sound-more-beautiful-to-us-180989540/In a new study, more than 80 participants rated the pleasantness of vocalizations made by 123 European bird species. Researchers then looked at the acoustic qualities of the most—and least—liked songsThu, 24 Sep 2026 19:01:33 +0000https://www.smithsonianmag.com/smart-news/some-birdsongs-are-more-pleasing-to-human-ears-than-others-higher-pitched-complex-calls-tend-to-sound-more-beautiful-to-us-180989540/https://www.smithsonianmag.com/smart-news/from-boosting-mental-health-to-reducing-dementia-risk-heres-why-reading-is-extremely-good-for-you-according-to-science-180989548/Mounting evidence suggests that regularly cozying up with a book can increase brain and mental health, improve literacy and math skills, and even slow cognitive decline. What's more, fiction seems to have the added benefit of introducing readers to others' perspectivesWed, 23 Sep 2026 16:33:51 +0000https://www.smithsonianmag.com/smart-news/from-boosting-mental-health-to-reducing-dementia-risk-heres-why-reading-is-extremely-good-for-you-according-to-science-180989548/https://www.smithsonianmag.com/smart-news/scientists-say-the-human-brain-might-be-made-of-two-distinct-nervous-systems-that-got-squished-together-180989539/Two separate types of progenitor cells give rise to the front and back of the organ, according to a new study. The findings can help researchers study human diseases that affect the hindbrain, since its nerve cells have previously been difficult—if not impossible—to make in the labTue, 22 Sep 2026 15:54:17 +0000https://www.smithsonianmag.com/smart-news/scientists-say-the-human-brain-might-be-made-of-two-distinct-nervous-systems-that-got-squished-together-180989539/https://www.smithsonianmag.com/smart-news/the-brain-shrinks-as-we-age-and-during-major-transitions-but-surprisingly-it-seems-to-take-a-break-from-rewiring-during-menopause-180989527/Puberty, pregnancy and menopause are the three major hormonal transitions for the female brain. Researchers already knew that during the first two, the organ fine-tunes itself in response to hormonal shifts, but they haven't been sure about the thirdMon, 21 Sep 2026 18:51:14 +0000https://www.smithsonianmag.com/smart-news/the-brain-shrinks-as-we-age-and-during-major-transitions-but-surprisingly-it-seems-to-take-a-break-from-rewiring-during-menopause-180989527/https://www.smithsonianmag.com/science-nature/archaeologists-are-reconstructing-the-invisible-technologies-of-the-stone-age-from-rope-to-thread-and-twine-180989534/Largely missing from the archaeological record, fiber innovations played a huge role in the lives of early humans. Researchers are weaving together new insights from the traces they left behindMon, 21 Sep 2026 18:24:00 +0000https://www.smithsonianmag.com/science-nature/archaeologists-are-reconstructing-the-invisible-technologies-of-the-stone-age-from-rope-to-thread-and-twine-180989534/https://www.smithsonianmag.com/smart-news/scientists-created-mice-with-half-human-brains-the-hybrid-animals-could-revolutionize-our-understanding-of-neurological-disorders-180989518/Our brains and their associated diseases are notoriously hard to study. So researchers developed an animal model with a cortex—the brain’s outer layer—grown from human-derived cellsThu, 17 Sep 2026 20:16:55 +0000https://www.smithsonianmag.com/smart-news/scientists-created-mice-with-half-human-brains-the-hybrid-animals-could-revolutionize-our-understanding-of-neurological-disorders-180989518/https://www.smithsonianmag.com/smart-news/this-new-brain-map-shows-every-nerve-cell-in-an-adult-male-fruit-flys-central-nervous-system-heres-why-that-matters-180989490/The recently released "connectome" joins a previously completed map of an adult female fruit fly’s brain. The digital 3D diagrams allow scientists to trace precise neural paths in the bugs’ brains, which can unlock secrets about the organ in humansWed, 16 Sep 2026 16:17:14 +0000https://www.smithsonianmag.com/smart-news/this-new-brain-map-shows-every-nerve-cell-in-an-adult-male-fruit-flys-central-nervous-system-heres-why-that-matters-180989490/https://www.smithsonianmag.com/smart-news/these-adorable-critically-endangered-pygmy-raccoons-in-cozumel-are-teaching-one-another-to-turn-trash-into-toy-balls-180989459/The observations offer rare evidence of a skill being passed among raccoons. But the work also highlights the effects of human pollution at the popular tourist destinationTue, 08 Sep 2026 18:49:50 +0000https://www.smithsonianmag.com/smart-news/these-adorable-critically-endangered-pygmy-raccoons-in-cozumel-are-teaching-one-another-to-turn-trash-into-toy-balls-180989459/https://www.smithsonianmag.com/smart-news/GLP-1-weight-loss-drugs-can-slow-aging-and-extend-lifespan-mouse-study-suggests-180989452/Older female mice—equivalent in age to 60-year-old women—given daily injections of the active ingredient in Ozempic lived about 12 percent longer than animals that didn't receive the drugFri, 04 Sep 2026 15:16:21 +0000https://www.smithsonianmag.com/smart-news/GLP-1-weight-loss-drugs-can-slow-aging-and-extend-lifespan-mouse-study-suggests-180989452/https://www.smithsonianmag.com/smart-news/part-of-your-ersonality-is-encoded-in-your-genes-huge-analysis-links-characteristics-to-more-than-1200-common-genetic-variants-180989450/A new meta-analysis pooled data from more than one million people to look at the crossover between DNA and the "Big Five" personality traits: openness to experience, conscientiousness, extroversion, agreeableness and neuroticismFri, 04 Sep 2026 11:37:58 +0000https://www.smithsonianmag.com/smart-news/part-of-your-ersonality-is-encoded-in-your-genes-huge-analysis-links-characteristics-to-more-than-1200-common-genetic-variants-180989450/https://www.smithsonianmag.com/smart-news/world-war-ii-sugar-rationing-data-hints-that-limiting-intake-of-the-sweet-stuff-early-in-life-lowers-the-risk-of-dementia-and-cancer-180989431/For roughly a decade leading up to September 1953, the United Kingdom limited sugar purchases. Scientists studied health outcomes in people born during the ration and right afterWed, 02 Sep 2026 15:48:22 +0000https://www.smithsonianmag.com/smart-news/world-war-ii-sugar-rationing-data-hints-that-limiting-intake-of-the-sweet-stuff-early-in-life-lowers-the-risk-of-dementia-and-cancer-180989431/https://www.smithsonianmag.com/smart-news/at-least-one-in-four-former-nfl-players-who-died-between-2016-and-2021-had-the-progressive-brain-disease-cte-study-suggests-180989406/The true prevalence of the neurodegenerative disease—which is associated with repeated head injuries—among the deceased football players might be much higher. CTE affects other athletes too, including hockey players, soccer players and wrestlersThu, 27 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/at-least-one-in-four-former-nfl-players-who-died-between-2016-and-2021-had-the-progressive-brain-disease-cte-study-suggests-180989406/https://www.smithsonianmag.com/smart-news/this-newly-approved-narcolepsy-drug-is-the-first-to-target-the-sleep-disorders-root-cause-rather-than-its-symptoms-180989362/The Food and Drug Administration just greenlit a medication called Orzeyful for the treatment of narcolepsy type 1 in adults. The condition is caused by the loss of brain cells that produce orexin, a chemical important for regulating the sleep-wake cycleTue, 18 Aug 2026 19:18:35 +0000https://www.smithsonianmag.com/smart-news/this-newly-approved-narcolepsy-drug-is-the-first-to-target-the-sleep-disorders-root-cause-rather-than-its-symptoms-180989362/https://www.smithsonianmag.com/smart-news/avoiding-these-three-vascular-health-risk-factors-in-midlife-can-help-you-delay-dementia-for-about-13-years-study-suggests-180989354/High blood pressure, diabetes and smoking are three major modifiable risk factors of dementia. New research tracked more than 12,000 participants to quantify how many years of healthy cognitive function you can gain by evading some or all of them during middle ageTue, 18 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/avoiding-these-three-vascular-health-risk-factors-in-midlife-can-help-you-delay-dementia-for-about-13-years-study-suggests-180989354/https://www.smithsonianmag.com/smart-news/from-armpits-to-feet-our-ticklish-hot-spots-are-surprisingly-universal-the-finding-offers-clues-about-the-sensations-evolutionary-origins-180989324/A new study probes the basics of gargalesis, a poorly understood type of tickling caused by firm, repetitive touches that typically elicits laughter and squirmingThu, 13 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/from-armpits-to-feet-our-ticklish-hot-spots-are-surprisingly-universal-the-finding-offers-clues-about-the-sensations-evolutionary-origins-180989324/