Kindred Minds

Kindred Minds

June tells scientifically grounded, deeply human stories about primate cognition and the biology we share with our closest relatives — how intelligent they are, and how much of our DNA and our nature we have in common.

  1. 6h ago

    Primate brain size does not predict their intelligence - EurekAlert!

    ## Episode Summary In this episode, we cover: - **Primate brain size does not predict their intelligence - EurekAlert!** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMiW0FVX3lxTE5OcmRvUUVRcWJjNnRuNk1JRlRzampCUFJSRTVsbTFpeWNFWUJ3dWtkRTZsS1hpQlctS09mV184STVFX1VmZ1BTcU5EVml1c1ZMMWg2Z19xYUx2aDA?oc=5) - **Despite ‘hippie’ reputation, male bonobos fight three times as often as chimps, study finds - Harvard Gazette** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMigAFBVV95cUxOX1pldE1iUUE0QXlOMURkcWU1OFRkMVFZMkRtcHJ1R21wYVRXV3RHS0x0M2IyNzlQdGJ6RFFSazlMUVRDdGJhaXVlWVRZUHpCaGhXcmdCLW1QYnFnOENWVDlUaXJFNmRVSFVKZXlnaWJYOHVrQm51c19oZ05vaWhqNQ?oc=5) - **In her words: From Dian Fossey’s gorilla journals - Dian Fossey Gorilla Fund** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMihwFBVV95cUxQbTU3LUdqQTZwcVNPZUhfNlk2M08yN2RxWXB4RlVZRk1MbFpNY1dnWlNTYm9MLUJ0UUM0dkp3a1M5TndqdDF0bDdzeW5adTU3bzExNHgwZUtNbzFMZ3lQcGswckxrY2tzZDVwOG1NSGtEU2otbzVYYkROMTAtbTRhUGZTQnVBLTg?oc=5) - **Scientists finally read the hidden DNA code that shapes disease** (ScienceDaily Monkeys) - [Read more](https://www.sciencedaily.com/releases/2025/10/251016223110.htm) - **Monitoring Ape Behavior - Lincoln Park Zoo** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMimwFBVV95cUxOeTZ4YjNwUG5XSnlJbmR6cDZNNV96b2hQU1NMZnZlZGtmeHc3OEpLZV9feEJRNlUtdFNOeEFwMU45TFBMNXUyMndLUkJicUctY0Q3YXViVVFEY1dCWWtPR0lNZ2N5cEwtZkt2aHpiaWpod19zNzAwbklYMlpiQk1hcDZ4SE1tSkNvTGh6S1p4eXhuaTZ4QXBUMTREbw?oc=5) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    Primate brain size does not predict their intelligence - EurekAlert!
  2. 2d ago

    NCF trains six researchers to help prevent extinction of critically endangered Cross River gorilla - EnviroNews Nigeria

    ## Episode Summary In this episode, we cover: - **NCF trains six researchers to help prevent extinction of critically endangered Cross River gorilla - EnviroNews Nigeria** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMizgFBVV95cUxPck84Yko4TVZzMEdQY09GdC1FcngtZ0lkWVBVYURFdWJISHpEMGExUm9tazZjWjYxOHQzY0dtREtFZmc5WmZuZC1BaVFIY2Y4RXJPMFE3Y1hWMmpaOFBkbk1GSnZCNVQwZ1JRZm1URTJEVjFGWWdrWm5sREZBTG1MQTYwUWZnSXdDMGhTNXlUMC1ockxSVEZ2RDJLVGpjaWFUZ2RjbkpDcnRIVnVQWDVTc0l1QWZUUnMyWHFqMkQ0Z1JBbndxSjlPZEo2V1E0UQ?oc=5) - **New species of monkey is already critically endangered - Natural History Museum** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMirgFBVV95cUxOcFphclRJMWZyM0VkLTdCWHJVRkhnTEM4OEJCaVhBbC0xUUI0NmY0aFlNczdDY1lScEViS0Q5Z2pYbDZWYU8ycmRvRG5rQ1MxR2loQzdFbFhGWGdLaUxwU2haRklZVGhyUUtxdzlGRVNlRmpMaDJwazQwZ2NYWTlhbmhpM0ZYMm85UzZ5UFIwWUhVOUg5aUdGbmdQbjZiaks5WW01OWpwdFZPZW1udnc?oc=5) - **Largest ape in history lived for 2 million years before vanishing, leaving behind a big mystery - Earth.com** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMitAFBVV95cUxNOWotbFpkY3Z6YUVXU2ZDaG00b08xWE1EQm5YaTZ4S0otSk10cVdnSThlVENENlY2T1NrZmtXcnBOUWU1bGdFZERLWVctaVZaQWFWVWtwRm5RR3lzRk8wRjlOVUxuU0FYUzdIcUlneXNtWUtDRGhGZVVzd0d1ZmdFQVNjLXZpSGlFWThMMmliWWpvZjVHbFRPWFc1QVdJRzctci0zX1YwNUdpWThVcG9aVlQyRTY?oc=5) - **As apes adapt to human disturbance, their new behaviors also put them at risk: Study - news - Mongabay** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMiuAFBVV95cUxQZmJqclZ1TUhfVnQ4eVdwZzdGOERnVTI5WE9mN0UtdEo3SUxOR212M2dGaXBBQ3lWLVJDRUplLTFHWHNQekVoQ1c4bDNOSDlpaFBkYTlkNDhNcWJaMUl2VGl0UG4tVnV5MnlHcEgzYnZJVXgtQ1ZPbVVDa09iV3lLRGxucmlvNGxINTFWQU5qWHBuazY1V1NqeXhMb2hjVGhfTVE2bUkzT2FxQzFHMmREaHpwNHdrczdL0gG-AUFVX3lxTE9peVFpY19ZajZEYUFvZEZ0X2JtcDJoVXZKb0dPaFhKX1JHbGNabENPel8xTWpkdWRVSlhmZUdFSHdxN295SUFHWU43bGJUTDhLSS0xdUFDcGFOOWJQc1lSQzh1MUQzeXJTT2ZPZGpza2MzQnhJWTNWTFV4WEhIWFU1ZlVtZHFTMHFTT01YQmlYcmhMeGpMNHZKWEtNbnBuUEw3NzBmdE1nTjRMTDcxb0Nrejg1SDc3R2huNXdSeXc?oc=5) - **Mysterious orange-lipped monkey discovered deep in the Congo rainforest is a new species - Science | AAAS** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMitwFBVV95cUxNOXlYdTV2SkthNTRtX1ByWXNwbFc3Yy10bjVBOGlFTHB5VE52MExWc1dMdm9DSmdzY29iWlJ3VWY4N01Zb1lxeTdRLUlTYnY3RDBEbUdrdjNHMzBleUJMa05ueXQ1T2VubVZpVW40N0xIX1BWWm14U0NmMlBwaHhGSmdRWHZKbXJ1LUlMQ0gxeVJYLTUyNlpSLXdiWFYxZDRRUUdqb3JDNzlDbGlDNnhZRC1NekFnLVE?oc=5) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    NCF trains six researchers to help prevent extinction of critically endangered Cross River gorilla - EnviroNews Nigeria
  3. 3d ago

    Desmond Morris, 98, Dies; Zoologist Saw Links Between Humans and Apes - The New York Times

    ## Episode Summary In this episode, we cover: - **Desmond Morris, 98, Dies; Zoologist Saw Links Between Humans and Apes - The New York Times** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMidkFVX3lxTFBIWWFRYWhPTlhKMjhqMzBSTnVkd0EzbGpzTmVLQU1PZXFKOFBvaWpORGRIbjF5US1Rc0JlV1JSRktWNDM0OHJoM3RjYlQ2ZFZTeHlkWXVPVDBPbTdtYXNIS1o3Z1BJaTdPZHFndUZzLTJocWZNVUE?oc=5) - **Drivers of female power in bonobos - Communications Biology - Nature** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMiX0FVX3lxTFBnaHJUcG05UE9MX2dEZktBSzYwUktUc1VRLV9GZHNFMVNIWnJuaV9mMXgyRmZRV3lPaEY0UDlaRUxJU0RUbWtldkJIMVFveHJhcENBNkhtUEdsU0VKektZ?oc=5) - **Conservationist Jane Goodall, renowned for chimpanzee research, dies at 91 - PBS** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMirgFBVV95cUxPVm5CYjNSd3NoNC1aSld4R0w4bWo3T1Q5ZGNXTHk5TDBfMXBJdDBNU0hXb0JBQnd4TzJvMVkxZG1Fc3IxSm5jdE1IYURBU2RXS2ZlUFY3WHhiel9Da2ljOXJma3VVUVJ4SXQ4RkRma3ZUQU5sOTBLMmZhVXh0Ni0yUm1rN2pPUHZEWm5xS1VmcEJORXFKbnp0R2VDMGR0aklrNjVXOF9QNUhpSU5MSUE?oc=5) - **Extinct ape’s inner ear holds clues to how humans learned to walk upright - Popular Science** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMiiAFBVV95cUxQTEFHXzBJeU82X09DUHBmci02MkVVd2RSZ3c3U0UyNUlrMlFsV2dhVDJZUUJBT3lGRmFiTHlma3pxRlpUNE1RbXlDc21lYVRPSTczd3NLMWdKUmRXS0s5dWZXRGZWSkVveFhnb2pZV3JwbllpVkFmb29Ebi1id1V3TzZhVVdsWlhy?oc=5) - **Great Apes Shatter Human Models of Social Intelligence - Neuroscience News** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMihAFBVV95cUxPX2RkT3FSUklKaUJNX1dHVG5zSlZ5UFloWGlQMnN4aFI4SXREeTYteEp4M2l0R1RETUZRbjhMOE9NOTU0OG9sUXJUekc3YXdHSHJ0M2RmS0tPbldFSFkwVTdaYV9jN2J5RHdTMmZVdFRmbGtzbEI4dnJaUTBxb2pFOXdmcmo?oc=5) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    Desmond Morris, 98, Dies; Zoologist Saw Links Between Humans and Apes - The New York Times
  4. 4d ago

    Not all orangutan mothers raise their infants the same way

    ## Episode Summary In this episode, we cover: - **Not all orangutan mothers raise their infants the same way** (ScienceDaily Monkeys) - [Read more](https://www.sciencedaily.com/releases/2025/05/250513225711.htm) - **Primate behavior changed as zoos closed for pandemic, research suggests - Phys.org** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMic0FVX3lxTE1vWnJlTzlvWm4ya1dVYmdiRzhxWmMzdDR2ZTloM2t3Y0RXc3hUOER5OHM4cDQwQ1loZ3N3ajlCa3dTY1hvTEhEdFA1dEtrbXBxalNlUWZ2VDUyaEtZajZ3NkdNeWZLd1lGNDNSNTM2ZmduX3M?oc=5) - **Small-scale farming, logging eclipse megaprojects as top threats to Tapanuli orangutan habitat - news - Mongabay** (Google News: great apes research) - [Read more](https://news.google.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?oc=5) - **Six new fossil species form 'snapshot' of primates stressed by ancient climate change - Phys.org** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMiggFBVV95cUxPcEYwLWhWUDlnU1phbWtYU2NqNkg1TmpGMGdXa1ZVN2ZLZXU3cHJFWm5hbmlGdUZhU1pVWmVrb2w0SUt4REctbm1IcWgwMXcwVDVESEpOSXB6ZS0zZ0FPdkh6bTV6VmZUWWVkaDAwM1lBVzVsc2tFeW9abjQ2dm5JNDhB?oc=5) - **Global change may alter how ocellated lizards move between shelters, food and predators** (Phys.org Plants & Animals (primates)) - [Read more](https://phys.org/news/2026-10-global-ocellated-lizards-food-predators.html) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    Not all orangutan mothers raise their infants the same way
  5. 5d ago

    Frans de Waal: Bridging the Primate-Human Divide - CREAF

    ## Episode Summary In this episode, we cover: - **Frans de Waal: Bridging the Primate-Human Divide - CREAF** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMigwFBVV95cUxQd0hyZkFKcy1Xa0ltY0N4TTIyeGo1SVlxcWExS2cyRERnZjBsYVNhbFVTc25FY19NNmtSRjNuWEdsNTdIZnNsaGN0QUQtZEVrZnFMQklUNG4ySHBDMEhyN29qS2ZuTHBVLVgwUnBWUENYa3FGZm80bGRZanliOXFhM3FBRQ?oc=5) - **A new species of monkey with bright orange lips has been officially discovered in the Congo - UA.NEWS** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMiogFBVV95cUxORFRFQlNGR2Y3TXNQVUs1eS1kVlhXUkhFbkJZWG9WcGN1NnVvOXBxek43WkV2UUJLYTZkLVRMNWxrM0psRzJtd0ZRSkhOU1NLZFZZS2Rkel92MVZEZDJ5Z3VvUkotVVpNTU5uazBoUHFXczNVUUVaRFB5VFNaYXlveHRrRHJGQ1NjV0FlREg0YXBOSHJXMXFPY3U0eWtuWlJsbWc?oc=5) - **The Jane Goodall Institute has handwritten notes on 5 generations of chimps. AI is helping to preserve them. - Business Insider** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMikgFBVV95cUxNMDl5bmRtNlhrVGd4TUtuR3lpbHRKZTdMOHdKTGltRDlBWmNlbko3akJPNlBlY25qdDJLbDBQVl9FejRtTW5rS1RQOHlXUlA3RllTNUd0M1RjZE1XZVFCc0JXd2NVY1ZHQk9BTVh1Tk8tQ2dMYk9RY29Vb1F1dGNJRE5IWk5idU9xTzlTWXNJNmJDdw?oc=5) - **World Bonobo Day 2026: Protecting one of our closest relatives - Earth.com** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMilwFBVV95cUxNRThQVGNiZktWYVAtRDYzWnQ0cTQxNGJKaDZMYnhmbngxZHpNdWxYeHZYZmZXMEJvSHB5aGlKenc3TjJuOGlITVlQeDFIeDNHaERraEFfSEJXZzVWbUx4dnR1clVSMzNEVmhiZDZMLXV1Q0V2a2xlRFMxY1dWcW5kV1NRWm9BRmhZQ3JlVjVpVzFBbGNpczhj?oc=5) - **What a chimpanzee 'civil war' can teach us about how societies fall apart - NPR** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMitwFBVV95cUxQbFY0bThwbTN1bU5YcXlKQXY1bGd0bWFtRGRBZ1BEeVdTTmx1VEZnZXBTV0RIUTZUR19ZMXMweTdhbVZqbGsxNjQwaF9heGxsQkdwOXFiWU1tQ1k1UHk5NW1vdjdONEVFT3VmcUFueWVQTkE3QnQxTTFZVDBZSXhHaVplak5lOVFLeXk5NWd3bVU3MFlsUHJyZWNCS0VpZkZQNG5KN2dlWE55bHVQbDdnUWV2MTNIclE?oc=5) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    Frans de Waal: Bridging the Primate-Human Divide - CREAF
  6. 6d ago

    Wild chimps consume more alcohol than anyone expected

    ## Episode Summary In this episode, we cover: - **Wild chimps consume more alcohol than anyone expected** (ScienceDaily Monkeys) - [Read more](https://www.sciencedaily.com/releases/2025/11/251130205418.htm) - **Bonobo Kanzi Plays Pretend Like a Child, Showing Ape’s Capacity to Imagine - Discover Magazine** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMisgFBVV95cUxPSnNnbUtuM25memNQbERwZlROXzhlSmFIYWVPdUd6M0VGSE9NLTZ1amFLVm12VjdtV1VBU3hJTEhoTFdRN2lHbGlMY1pfZGduSUZWVHo1SUtLM19lQ2lKX3RjZURsOXFobEpudk5UeEN1X1JpcTVPWGFaOHRwUlJyd1ZFWHJ5WmtLLXZRSmVwZ1ZXWnk1bks2c0x4SFNqWVJsTzVjSFRQNU5ObWdNRkhWSDln?oc=5) - **This Bonobo Just Did Something Scientists Thought Only Humans Could Do - SciTechDaily** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMinAFBVV95cUxQQzN4ZnMtUnl3NXFNbllsSDBERnFsaV8yV0ZtNlUxV1l0RmlxSnF4UnJmV1R6T3JOdDJZNjlXdVUyTTVrZkk1Yzg3dE9ZbS0xWE1McFU3OW9EUTgxMDFEcHdxem5GREc4RnpFSGk0eFZ1S1JPamFzWW5ndk0wVW9lM2ZSaHN6OGZtUXU5MnhHbXhrZjZ2NHNwdWo4Uzg?oc=5) - **New research reveals chimpanzee ‘language’ to be complex - The World from PRX** (Google News: great apes research) - [Read more](https://news.google.com/rss/articles/CBMimwFBVV95cUxNbE9ha3pXejJIT2hKWTFDNnBOYU5BT2pvbHdEaThWX3FQWkpDa3N5SzdHUWs3dC1wbUZNVnVVLU5uM1VXZmlzZ1FrUzVYTmY0SDhpUXRxT0lLanNYTzMtOUQ4YzNFbFhCME53bkk0bXc3a1Atd0RiNDhHY0d2aS13bWpNczgtTGNJSWxnNTh6TjBHYXQ4LURLa21Hbw?oc=5) - **Kanzi the Bonobo, Who Learned Language and Made Stone Tools, Dies at Age 44 - Scientific American** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMiuAFBVV95cUxOU2I0d2NxekRIQlNPRFBBUk9CbFV3LUtCRHdiQ3NocVRseHIzcUhWTnA2Y3pxWWNCWWoyUzFCc1NTQ3BWNU15N25JdmNIZWhKUlFkMm1hN1BPdE5pU3F4T202T2lGaHNmQmNsZWdUU3NnTUE2Z3ZCOGJhNVdBZjlzQXRQWUZRZEl0bWo2TDc1OGdFQngtckU3YVJ2YTRMOTZwUW1zdHBrWVh1Yk93S3FOUjRObHlrU3Fo?oc=5) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    Wild chimps consume more alcohol than anyone expected
  7. Oct 29

    New monkey species with orange lips discovered after years of searching - ABC News & Headlines – Australian Broadcasting Corporation

    ## Episode Summary In this episode, we cover: - **New monkey species with orange lips discovered after years of searching - ABC News & Headlines – Australian Broadcasting Corporation** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMirgFBVV95cUxOUUdqUS1DRFJLeXJpN3FEVkJkcEl3UXd0V2pEVHZoT04zaHZoaFdnQ05Db09idEZpQjlNVUdzUGxrWnM1b19BVlVWUHI3Ujg1MjBrQXZlQnFzZmkyaUxMSEVBXy16RThaUWhCTkpZbnFOY3FvZW9KdlB3YVc3MkcwX3kySkJVT3FuR05GQmRrcG4ycmh1RDR0Mk9HN0ZzUVFlUm0zLUVFeUV6TnRsOGc?oc=5) - **New monkey species, orange-lipped Likweli monkey, known as 'branch shaker,' identified in DRC - The Jerusalem Post** (Google News: primate discovery/conservation) - [Read more](https://news.google.com/rss/articles/CBMidkFVX3lxTE9QX1RJUG0zNXI2TlhKMlBlQ2c5MnJiSDZ5NU5ZUVEtcGtVMGJXNkxWM01aVUtSaDJ5LUpla2JfeDF5dGNOTlAwS01HSVJxYXE5NlpqdW1zMWFwYkZmeW8xMXZWdjRoWFVwZ0x6X3FoRXVzZVJQUlE?oc=5) - **Six ape genomes sequenced telomere-to-telomere** (ScienceDaily Monkeys) - [Read more](https://www.sciencedaily.com/releases/2025/04/250409114521.htm) - **Great Apes Love to Tease, Poke and Pester, Suggesting the Urge to Annoy Is Millions of Years Old - Smithsonian Magazine** (Google News: primate cognition/intelligence) - [Read more](https://news.google.com/rss/articles/CBMi4AFBVV95cUxPbGQ4UmIwd29MTkszZnN3RzQwMkg1S1dzdFRaQVZ3RVNKV0VfUWpqcDMtRC0zZVViRVpEcDlYTUI5QWtOSVNteTdUSWpRcHJKM3NpYVBjSTcxT2FfdF8wZXhXSy1OamsxMGJoUDA3SWdWTmRGcDJtX2I2aEh5enBKNkZuYnY5M3UyckhWNElhZzZWU19pTENpNzlMdkg4Wm9IcnNVODZXVlRtN3lUc1RmRnpzR2EtMTd6bXNkcUp6ak1UUlFLdkxxLWFCYzNaTXU5cGNROS1VdHRxYzFyXy16UQ?oc=5) - **Scientists count more than 2 million eels on one underwater mountain** (Phys.org Plants & Animals (primates)) - [Read more](https://phys.org/news/2026-10-scientists-million-eels-underwater-mountain.html) --- *Sponsored by Ada, Ago Consulting, and Zen Semiconductor*

    New monkey species with orange lips discovered after years of searching - ABC News & Headlines – Australian Broadcasting Corporation

About

June tells scientifically grounded, deeply human stories about primate cognition and the biology we share with our closest relatives — how intelligent they are, and how much of our DNA and our nature we have in common.