Scientific Americanhttps://www.scientificamerican.comScientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.en-usMon, 07 Apr 2025 22:30:00 +0000String Theorists Say Black Holes Are Multidimensional String ‘Supermazes’https://www.scientificamerican.com/article/string-theorists-say-black-holes-are-multidimensional-string-supermazes/<p>Physicists think the insides of black holes may be complex mazes of tangled strings in higher dimensions</p>Mon, 07 Apr 2025 22:30:00 +0000https://www.scientificamerican.com/article/string-theorists-say-black-holes-are-multidimensional-string-supermazes/Amid Trump Cuts, NOAA Halts Upkeep of Critical Weather Satelliteshttps://www.scientificamerican.com/article/amid-trump-cuts-noaa-halts-upkeep-of-critical-weather-satellites/<p>The decision by the Trump administration to defer maintenance of the Joint Polar Satellite System threatens to degrade the accuracy of weather forecasts</p>Mon, 07 Apr 2025 15:30:00 +0000https://www.scientificamerican.com/article/amid-trump-cuts-noaa-halts-upkeep-of-critical-weather-satellites/Letting Kids Fail Is Crucialhttps://www.scientificamerican.com/article/letting-kids-fail-is-crucial/<p>Our instinct is to protect our kids from failure. But learning from failure is an important life skill that can&rsquo;t be overlooked</p>Mon, 07 Apr 2025 11:00:00 +0000https://www.scientificamerican.com/article/letting-kids-fail-is-crucial/Fermenting Miso in Space Offers Astrobiology Lessonshttps://www.scientificamerican.com/article/fermenting-miso-in-space-offers-astrobiology-lessons/<p>Overall, &ldquo;space miso&rdquo; tastes just like regular miso&mdash;but slight differences in its microbial profile suggest that extraterrestrial conditions affect how microbes grow and flourish</p>Mon, 07 Apr 2025 10:30:00 +0000https://www.scientificamerican.com/article/fermenting-miso-in-space-offers-astrobiology-lessons/Asteroid 2024 YR4 Could Hit the Moon, Measles Cases Rise, and States Sue HHShttps://www.scientificamerican.com/podcast/episode/asteroid-2024-yr4-could-hit-the-moon-measles-cases-rise-and-states-sue-hhs/<p>States sue HHS for public health cuts, measles cases continue to rise, and a study finds Americans live shorter lives compared with their European counterparts.</p>Mon, 07 Apr 2025 10:00:00 +0000https://www.scientificamerican.com/podcast/episode/asteroid-2024-yr4-could-hit-the-moon-measles-cases-rise-and-states-sue-hhs/Breakthrough Prizes Awarded to Obesity-Drug Pioneers and Large Hadron Collider Physicistshttps://www.scientificamerican.com/article/breakthrough-prizes-awarded-to-obesity-drug-pioneers-and-large-hadron/<p>Advances recognized by science&rsquo;s most lucrative awards include high-energy physics experiments and groundbreaking weight-loss treatments</p>Mon, 07 Apr 2025 04:01:00 +0000https://www.scientificamerican.com/article/breakthrough-prizes-awarded-to-obesity-drug-pioneers-and-large-hadron/Dennis Gaitsgory Wins Breakthrough Prize for Solving Part of Math’s Grand Unified Theoryhttps://www.scientificamerican.com/article/dennis-gaitsgory-wins-breakthrough-prize-for-solving-part-of-maths-grand/<p>By solving part of the Langlands program, a mathematical proof that was long thought to be unachievable, Dennis Gaitsgory snags a prestigious Breakthrough Prize</p>Sun, 06 Apr 2025 03:30:00 +0000https://www.scientificamerican.com/article/dennis-gaitsgory-wins-breakthrough-prize-for-solving-part-of-maths-grand/Brain Structure That Filters Consciousness Identifiedhttps://www.scientificamerican.com/article/brain-structure-that-filters-consciousness-identified/<p>Our conscious awareness may be governed by a structure deep in the brain</p>Fri, 04 Apr 2025 19:45:00 +0000https://www.scientificamerican.com/article/brain-structure-that-filters-consciousness-identified/Whooping Cough Killed Two Children in Louisiana. Here’s How to Protect Kidshttps://www.scientificamerican.com/article/whooping-cough-killed-two-children-heres-how-to-protect-kids/<p>The bacterial infection pertussis has sparked an uptick in cases nationwide and has caused two deaths in Louisiana</p>Fri, 04 Apr 2025 19:00:00 +0000https://www.scientificamerican.com/article/whooping-cough-killed-two-children-heres-how-to-protect-kids/Utah’s Decision to Ban Fluoride Is a Bad Move for Kids https://www.scientificamerican.com/article/utahs-decision-to-ban-fluoride-is-a-bad-move-for-kids/<p>Becoming the first state to ban fluoride is going to cost Utah, both financially and dentally</p>Fri, 04 Apr 2025 18:20:00 +0000https://www.scientificamerican.com/article/utahs-decision-to-ban-fluoride-is-a-bad-move-for-kids/Google DeepMind Taught Itself to Play Minecrafthttps://www.scientificamerican.com/article/google-deepmind-taught-itself-to-play-minecraft/<p>The Dreamer AI system of Google's DeepMind reached the milestone of mastering Minecraft by &lsquo;imagining&rsquo; the future impact of possible decisions</p>Fri, 04 Apr 2025 17:00:00 +0000https://www.scientificamerican.com/article/google-deepmind-taught-itself-to-play-minecraft/Tornado Damage Surveys Are a Crucial Tool for Understanding These Dangerous Stormshttps://www.scientificamerican.com/article/tornado-damage-surveys-are-a-crucial-tool-for-understanding-these-dangerous/<p>Damage surveys provide crucial information about when, where and how strong U.S. tornadoes are to better understand disaster risk</p>Fri, 04 Apr 2025 16:40:00 +0000https://www.scientificamerican.com/article/tornado-damage-surveys-are-a-crucial-tool-for-understanding-these-dangerous/FEMA to Halt Billions in Grants for Disaster Protection, Internal Memo Sayshttps://www.scientificamerican.com/article/fema-to-halt-billions-in-grants-for-disaster-protection-internal-memo-says/<p>An internal FEMA memo says the agency is canceling future and existing grants that help states and tribes prepare for floods, tornadoes and other disasters</p>Fri, 04 Apr 2025 14:30:00 +0000https://www.scientificamerican.com/article/fema-to-halt-billions-in-grants-for-disaster-protection-internal-memo-says/Google, X and Facebook Are Modern-Day Tobacco Companieshttps://www.scientificamerican.com/article/google-x-and-facebook-are-modern-day-tobacco-companies/<p>Just as tobacco companies knew they were poisoning people, today&rsquo;s social media titans knowingly poison our politics, peddling lies and stoking angry divides for profit</p> <p></p>Fri, 04 Apr 2025 14:00:00 +0000https://www.scientificamerican.com/article/google-x-and-facebook-are-modern-day-tobacco-companies/The Kakeya Conjecture, a Decades-Old Math Problem, Is Solved in Three Dimensionshttps://www.scientificamerican.com/article/the-kakeya-conjecture-a-decades-old-math-problem-is-solved-in-three/<p>For a long time, the Kakeya conjecture, which involves rotating an infinitely narrow needle, kept mathematicians guessing&mdash;until now</p>Fri, 04 Apr 2025 12:00:00 +0000https://www.scientificamerican.com/article/the-kakeya-conjecture-a-decades-old-math-problem-is-solved-in-three/There Are 4,000 Species of Native Bees in the U.S.https://www.scientificamerican.com/article/there-are-4-000-species-of-native-bees-in-the-u-s/<p>Scientists estimate there are about 4,000 species of native bees in the U.S.&mdash;and they&rsquo;re both cooler and ecologically more important than honeybees</p>Fri, 04 Apr 2025 11:00:00 +0000https://www.scientificamerican.com/article/there-are-4-000-species-of-native-bees-in-the-u-s/How Many Rogue Planets Are in the Milky Way?https://www.scientificamerican.com/article/how-many-rogue-planets-are-in-the-milky-way/<p>According to new simulations, many, even most, planets get ejected from their star early in their history</p>Fri, 04 Apr 2025 10:45:00 +0000https://www.scientificamerican.com/article/how-many-rogue-planets-are-in-the-milky-way/What Happens When USAID’s Global Public Health Programs Go Away?https://www.scientificamerican.com/podcast/episode/what-happens-when-usaids-global-public-health-programs-go-away/<p>USAID is responsible for global health efforts that have saved the lives of millions of children. What happens when those programs are cut?</p>Fri, 04 Apr 2025 10:00:00 +0000https://www.scientificamerican.com/podcast/episode/what-happens-when-usaids-global-public-health-programs-go-away/The Uninhabited Heard and McDonald Islands, Targeted by Tariffs, Are a Biological Wonderlandhttps://www.scientificamerican.com/article/the-uninhabited-heard-and-mcdonald-islands-targeted-by-tariffs-are-a/<p>Trump&rsquo;s tariffs put a spotlight on the uninhabited Heard and McDonald Islands, which comprise a remote volcanic refuge for penguins and seals and a UNESCO World Heritage site</p>Thu, 03 Apr 2025 18:30:00 +0000https://www.scientificamerican.com/article/the-uninhabited-heard-and-mcdonald-islands-targeted-by-tariffs-are-a/Bonobo Calls Are More like Human Language Than We Thoughthttps://www.scientificamerican.com/article/bonobo-calls-are-more-like-human-language-than-we-thought/<p>Bonobos&rsquo; grunts, peeps and whistles may share an advanced linguistic property with human language</p>Thu, 03 Apr 2025 18:00:00 +0000https://www.scientificamerican.com/article/bonobo-calls-are-more-like-human-language-than-we-thought/JWST Delivers Best-Yet Look at That Worrisome Asteroidhttps://www.scientificamerican.com/article/jwst-delivers-best-yet-look-at-that-worrisome-asteroid/<p>New observations from the James Webb Space Telescope show that the potentially hazardous asteroid 2024 YR4 is a building-sized space rock</p>Thu, 03 Apr 2025 18:00:00 +0000https://www.scientificamerican.com/article/jwst-delivers-best-yet-look-at-that-worrisome-asteroid/Secretive Russian Military Satellites Release Mystery Object into Orbithttps://www.scientificamerican.com/article/secretive-russian-military-satellites-release-mystery-object-into-orbit/<p>A trio of classified Russian satellites, called Kosmos, has sparked intrigue in space-tracking circles after an unidentified object was launched into orbit</p>Thu, 03 Apr 2025 17:35:00 +0000https://www.scientificamerican.com/article/secretive-russian-military-satellites-release-mystery-object-into-orbit/Xenolinguistics—the Study of Alien Languages—Helps to Reveal Why All Beings Communicatehttps://www.scientificamerican.com/article/xenolinguistics-the-study-of-alien-languages-helps-to-reveal-why-all-beings/<p>Studying how extraterrestrials might communicate could help prepare for first contact and also hint at the point of language itself</p>Thu, 03 Apr 2025 16:15:00 +0000https://www.scientificamerican.com/article/xenolinguistics-the-study-of-alien-languages-helps-to-reveal-why-all-beings/Trump Staff Cuts Hollow Out Extreme Heat Programshttps://www.scientificamerican.com/article/trump-staff-cuts-hollow-out-extreme-heat-programs/<p>Layoffs at the Department of Health and Human Services have dealt a critical blow to the agency's efforts to manage rising temperatures made worse by climate change</p>Thu, 03 Apr 2025 16:00:00 +0000https://www.scientificamerican.com/article/trump-staff-cuts-hollow-out-extreme-heat-programs/Go Inside a Mexican Wolf Recovery Project Whose Future Is Now Uncertainhttps://www.scientificamerican.com/video/go-inside-a-mexican-wolf-recovery-project-whose-future-is-now-uncertain/<p>The critically endangered Mexican wolf was mounting a comeback, thanks to a conservation program that dropped fostered wolf pups into wild dens. Then politics happened.</p>Thu, 03 Apr 2025 15:00:00 +0000https://www.scientificamerican.com/video/go-inside-a-mexican-wolf-recovery-project-whose-future-is-now-uncertain/JWST’s Fourth Year of Amazing Science Faces Funding Woeshttps://www.scientificamerican.com/article/jwsts-fourth-year-of-amazing-science-faces-funding-woes/<p>The next year of science on the James Webb Space Telescope has been announced amid mounting budgetary uncertainty that could affect the unparalleled observatory</p>Thu, 03 Apr 2025 14:00:00 +0000https://www.scientificamerican.com/article/jwsts-fourth-year-of-amazing-science-faces-funding-woes/Pioneering Female Doctor Evangelina Rodríguez Faced a Dictator’s Reign of Terrorhttps://www.scientificamerican.com/article/pioneering-female-doctor-evangelina-rodriguez-faced-a-dictators-reign-of/<p>Beginning in the 1930s, the work&mdash;and eventually the life&mdash;of Andrea Evangelina Rodr&iacute;guez Perozo, the Dominican Republic&rsquo;s first female doctor, became threatened by the country&rsquo;s then new dictator</p>Thu, 03 Apr 2025 13:00:00 +0000https://www.scientificamerican.com/article/pioneering-female-doctor-evangelina-rodriguez-faced-a-dictators-reign-of/Why Some People Follow Authoritarian Leaders—And The Key to Stopping Ithttps://www.scientificamerican.com/article/why-some-people-follow-authoritarian-leaders-and-the-key-to-stopping-it/<p>To protect democracy and counteract the allure of authoritarianism, reduce people's sense of fear and insecurity, psychology research says</p>Thu, 03 Apr 2025 12:00:00 +0000https://www.scientificamerican.com/article/why-some-people-follow-authoritarian-leaders-and-the-key-to-stopping-it/New Plan for Particle Physics Megaproject Leaves out Funding Detailshttps://www.scientificamerican.com/article/new-plan-for-particle-physics-megaproject-leaves-out-funding-details/<p>A long-awaiting report from CERN explores the feasibility of building a supersized successor to the Large Hadron Collider</p>Thu, 03 Apr 2025 11:00:00 +0000https://www.scientificamerican.com/article/new-plan-for-particle-physics-megaproject-leaves-out-funding-details/Why Aurora Physicists Are Excited about Fram2’s Private Astronautshttps://www.scientificamerican.com/article/why-aurora-physicists-are-excited-about-fram2s-private-astronauts/<p>The commercial astronauts onboard SpaceX&rsquo;s <i>Fram2</i> mission are flying closer to Earth&rsquo;s poles than anyone has before, offering an intriguing opportunity for auroral science</p>Wed, 02 Apr 2025 20:45:00 +0000https://www.scientificamerican.com/article/why-aurora-physicists-are-excited-about-fram2s-private-astronauts/Tiny, Injectable Pacemaker Runs on Light and then Dissolveshttps://www.scientificamerican.com/article/tiny-injectable-pacemaker-runs-on-light-and-then-dissolves/<p>This temporary pacemaker, smaller than a grain of rice, could regulate the heart less invasively</p>Wed, 02 Apr 2025 17:15:00 +0000https://www.scientificamerican.com/article/tiny-injectable-pacemaker-runs-on-light-and-then-dissolves/The Science behind Baseball’s ‘Torpedo Bats’https://www.scientificamerican.com/article/the-science-behind-baseballs-torpedo-bats/<p>After a stellar Yankees win on Saturday, torpedo bats are in the spotlight. Is there science behind these baseball bats?</p>Wed, 02 Apr 2025 16:00:00 +0000https://www.scientificamerican.com/article/the-science-behind-baseballs-torpedo-bats/Trump’s Tariffs Are Expected to Undermine the Clean Energy Transitionhttps://www.scientificamerican.com/article/trumps-tariffs-are-expected-to-undermine-the-clean-energy-transition/<p>New Trump administration tariffs on imported goods could exacerbate a shortage of parts used by the energy industry</p>Wed, 02 Apr 2025 15:15:00 +0000https://www.scientificamerican.com/article/trumps-tariffs-are-expected-to-undermine-the-clean-energy-transition/Shingles Vaccination May Help Protect People from Alzheimer’s Diseasehttps://www.scientificamerican.com/article/shingles-vaccination-may-help-protect-people-from-alzheimers-disease/<p>A natural experiment in Wales showed that a shingles vaccine might lower the risk of developing dementia</p>Wed, 02 Apr 2025 15:00:00 +0000https://www.scientificamerican.com/article/shingles-vaccination-may-help-protect-people-from-alzheimers-disease/Trump Administration Attacks on Science Trigger Backlash from Researchers https://www.scientificamerican.com/article/trump-administration-attacks-on-science-trigger-backlash-from-researchers/<p>&ldquo;The risks of remaining silent at this defining time are far greater than the risks of speaking out,&rdquo; says one scientist regarding the Trump administration&rsquo;s attacks on science</p>Wed, 02 Apr 2025 14:45:00 +0000https://www.scientificamerican.com/article/trump-administration-attacks-on-science-trigger-backlash-from-researchers/Do We Live inside a Black Hole?https://www.scientificamerican.com/article/do-we-live-inside-a-black-hole/<p>The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole&mdash;except, that is, for all the evidence to the contrary</p>Wed, 02 Apr 2025 14:00:00 +0000https://www.scientificamerican.com/article/do-we-live-inside-a-black-hole/The Hubble Tension Is Becoming a Hubble Crisishttps://www.scientificamerican.com/article/the-hubble-tension-is-becoming-a-hubble-crisis/<p>A long-simmering disagreement over the universe&rsquo;s present-day expansion rate shows no signs of resolution, leaving experts increasingly vexed</p>Wed, 02 Apr 2025 13:00:00 +0000https://www.scientificamerican.com/article/the-hubble-tension-is-becoming-a-hubble-crisis/Groupthink Explains Defense Department’s Signal Chat Fiascohttps://www.scientificamerican.com/article/psychologys-groupthink-helps-explain-the-signal-chat-fiasco/<p>At the heart of the Trump administration&rsquo;s Signal scandal lies the familiar psychological pitfall of groupthink</p>Wed, 02 Apr 2025 11:30:00 +0000https://www.scientificamerican.com/article/psychologys-groupthink-helps-explain-the-signal-chat-fiasco/What Is ‘Squirting’? The Science behind the Controversial Phenomenon Explainedhttps://www.scientificamerican.com/podcast/episode/what-is-squirting-the-science-behind-the-controversial-phenomenon-explained/<p>A mysterious and often debated aspect of human sexuality colloquially known as &ldquo;squirting&rdquo; sparks controversy. This episode explores what research reveals.</p>Wed, 02 Apr 2025 10:00:00 +0000https://www.scientificamerican.com/podcast/episode/what-is-squirting-the-science-behind-the-controversial-phenomenon-explained/NIH Director Removes Four Main Scientists amid Massive Staff Purgehttps://www.scientificamerican.com/article/nih-director-removes-four-main-scientists-amid-massive-staff-purge/<p>The Trump Administration has fired four leaders and thousands of employees at the National Institutes of Health in &ldquo;one of the darkest days&rdquo;</p>Tue, 01 Apr 2025 22:15:00 +0000https://www.scientificamerican.com/article/nih-director-removes-four-main-scientists-amid-massive-staff-purge/SpaceX’s Fram2 Mission Sends Four Private Astronauts into Polar Orbithttps://www.scientificamerican.com/article/spacexs-fram2-mission-sends-four-private-astronauts-into-polar-orbit/<p>The privately funded <i>Fram2</i> mission is the first ever to take astronauts into polar orbit&mdash;and the latest sign of a &ldquo;new normal&rdquo; for human spaceflight</p>Tue, 01 Apr 2025 21:00:00 +0000https://www.scientificamerican.com/article/spacexs-fram2-mission-sends-four-private-astronauts-into-polar-orbit/Trump Administration Cancels NIH Scientific Integrity Policyhttps://www.scientificamerican.com/article/trump-administration-cancels-nih-scientific-integrity-policy/<p>The National Institutes of Health said it pulled the policy because of language on diversity and inclusion, in line with directives from the Trump administration</p>Tue, 01 Apr 2025 16:30:00 +0000https://www.scientificamerican.com/article/trump-administration-cancels-nih-scientific-integrity-policy/As Happened in Texas, Ignoring EPA Science Will Allow Pollution and Cancer to Festerhttps://www.scientificamerican.com/article/as-happened-in-texas-ignoring-epa-science-will-allow-pollution-and-cancer-to/<p>Trump administration plans to destroy EPA science will leave the air we breathe and the water we drink more polluted</p>Tue, 01 Apr 2025 11:30:00 +0000https://www.scientificamerican.com/article/as-happened-in-texas-ignoring-epa-science-will-allow-pollution-and-cancer-to/Even Four-Year-Olds Instinctively Fact-Check for Misinformationhttps://www.scientificamerican.com/article/even-four-year-olds-instinctively-fact-check-for-misinformation/<p>Children ages four to seven demonstrate natural fact-checking skills when put to a test with zebras and space aliens</p>Tue, 01 Apr 2025 10:45:00 +0000https://www.scientificamerican.com/article/even-four-year-olds-instinctively-fact-check-for-misinformation/As Measles Continues to Rise, CDC Muffles Vaccine Messaginghttps://www.scientificamerican.com/article/as-measles-continues-to-rise-cdc-muffles-vaccine-messaging/<p>By burying an assessment with updates and recommendations about the U.S.&rsquo;s current measles outbreaks, the CDC has signaled an alarming shift in its public messaging</p>Mon, 31 Mar 2025 20:15:00 +0000https://www.scientificamerican.com/article/as-measles-continues-to-rise-cdc-muffles-vaccine-messaging/Watch SpaceX Launch Historic Fram2 Crewed Mission over Earth’s Poles Tonighthttps://www.scientificamerican.com/article/watch-spacex-launch-historic-fram2-crewed-mission-over-earths-poles-tonight/<p>Fram2, a first-of-its-kind private mission to send four astronauts into polar orbit around Earth, is about to launch</p>Mon, 31 Mar 2025 17:45:00 +0000https://www.scientificamerican.com/article/watch-spacex-launch-historic-fram2-crewed-mission-over-earths-poles-tonight/Big Banks Quietly Prepare for Catastrophic Climate Changehttps://www.scientificamerican.com/article/big-banks-quietly-prepare-for-catastrophic-climate-change/<p>Morgan Stanley, JPMorgan and an international banking group have quietly concluded that climate change will likely exceed the Paris Agreement&rsquo;s 2 degree C goal and are examining how to maintain profits</p>Mon, 31 Mar 2025 16:15:00 +0000https://www.scientificamerican.com/article/big-banks-quietly-prepare-for-catastrophic-climate-change/Is There a Plus Side to Mental Labor?https://www.scientificamerican.com/article/is-there-a-plus-side-to-mental-labor/<p>Women shoulder most of the work in managing a family and tell us it&rsquo;s exhausting, but some also say it has benefits</p>Mon, 31 Mar 2025 15:15:00 +0000https://www.scientificamerican.com/article/is-there-a-plus-side-to-mental-labor/Top U.S. Researchers Warn against ‘Climate of Fear’ Threatening Science https://www.scientificamerican.com/article/top-u-s-researchers-warn-against-climate-of-fear-threatening-science/<p>Despite fears that speaking out will make them targets, top researchers warn that the Trump administration&rsquo;s &ldquo;wholesale assault on U.S. science&rdquo; will harm the nation</p>Mon, 31 Mar 2025 15:00:00 +0000https://www.scientificamerican.com/article/top-u-s-researchers-warn-against-climate-of-fear-threatening-science/Why 50-Degree-F Days Feel Warmer in Spring Than in Fallhttps://www.scientificamerican.com/article/why-50-degree-f-days-feel-warmer-in-spring-than-in-fall/<p>There are real, physiological reasons why the same temperature feels different in April and October</p>Mon, 31 Mar 2025 14:30:00 +0000https://www.scientificamerican.com/article/why-50-degree-f-days-feel-warmer-in-spring-than-in-fall/