Episode (200)
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Why ‘open source’ AIs could be anything but, the derailment risks of long freight trains, and breeding better wheat
Jun 26, 202400:31 How open are ‘open source’ AI systems?Many of the large language models powering AI systems are described as ‘open source’ but critics say this is a misnomer, with restricted access to code and ...
How do fish know where a sound comes from? Scientists have an answer
Jun 19, 202400:46 How light touches are sensed during sex150 years after they were discovered, researchers have identified how specific nerve-cell structures on the penis and clitoris are activated. While these s...
Hybrid working works: huge study reveals no drop in productivity
Jun 12, 202400:48 Short-haul spaceflight's effect on the human body.A comprehensive suite of biomedical data, collected during the first all-civilian spaceflight, is helping researchers unpick the effects that be...
Twitter suspended 70,000 accounts after the Capitol riots and it curbed misinformation
Jun 05, 2024In this episode: 00:46 Making a molecular Bose-Einstein condensateFor the first time, researchers have coaxed molecules into a bizarre form of matter called a Bose-Einstein condensate, in which they a...
How AI could improve robotics, the cockroach’s origins, and promethium spills its secrets
May 29, 2024In this episode: 00:25 What the rise of AI language models means for robotsCompanies are melding artificial intelligence with robotics, in an effort to catapult both to new heights. They hope that by ...
How mathematician Freeman Hrabowski opened doors for Black scientists
May 28, 2024Growing up in Alabama in the 1960s, mathematician Freeman Hrabowski was moved to join the civil rights moment after hearing Martin Luther King Jr speak. Even as a child, he saw the desperate need to m...
Audio long read: How does ChatGPT ‘think’? Psychology and neuroscience crack open AI large language models
May 24, 2024AIs are often described as 'black boxes' with researchers unable to to figure out how they 'think'. To better understand these often inscrutable systems, some scientists are borrowing from psychology ...
Fentanyl addiction: the brain pathways behind the opioid crisis
May 22, 202400:45 The neuroscience of fentanyl addictionResearch in mice has shown that fentanyl addiction is the result of two brain circuits working in tandem, rather than a single neural pathway as had been pr...
Lizard-inspired building design could save lives
May 15, 2024In this episode: 00:45 A recyclable 3D printing resin from an unusual sourceMany 3D printers create objects using liquid resins that turn into robust solids when exposed to light. But many of these ar...
Alphafold 3.0: the AI protein predictor gets an upgrade
May 08, 2024In this episode: 00:45 A nuclear timekeeper that could transform fundamental-physics research.Nuclear clocks — based on tiny shifts in energy in an atomic nucleus — could be even more accurate and sta...