Episode (200)
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Audio long read: How quickly are you ageing? What molecular ‘clocks’ can tell you about your health
Mar 28, 2025With money pouring in and an unprecedented level of public attention and excitement, scientists are publishing a steady stream of papers on ways to measure how rapidly a person’s body is declining. Ho...
New lasso-shaped antibiotic kills drug-resistant bacteria
Mar 26, 2025In this episode: 00:46 Newly discovered molecule shows potent antibiotic activityResearchers have identified a new molecule with antibiotic activity against a range of disease-causing bacteria, incl...
Tiny satellite sets new record for secure quantum communication
Mar 19, 202500:46 Microsatellite makes messaging secureA tiny satellite has enabled quantum-encrypted information to be sent between China and South Africa, the farthest distance yet achieved for quantum communic...
Sapphire anvils squeeze metals atomically-thin
Mar 12, 202500:46 2D metals made using sapphire pressTaking inspiration from industrial forging, researchers have demonstrated a way to squeeze molten metals into atomically-thin layers, creating relatively large...
Earliest crafted bone tools date back 1.5 million years
Mar 05, 202500:46 Ancient humans made bone tools 1.5 million years agoA 1.5-million-year-old cache of animal-bone tools reveals that ancient humans systematically crafted with this material much earlier than prev...
Audio long read: Why kids need to take more risks — science reveals the benefits of wild, free play
Feb 28, 2025Over the past two decades, research has emerged showing that opportunities for risky play are crucial for children's healthy physical, mental and emotional development. However, because play is inhere...
If your heart stops, this smartwatch-AI can call for help
Feb 26, 202500:47 A ‘smart’ way to quickly detect cardiac arrestGoogle researchers have developed an AI for a smartwatch that will call for help if its wearer is having a cardiac arrest. Trained, in part, on data...
Racist ratings linger in five-star systems — a thumbs up could fix that
Feb 19, 202501:14 A simple switch to reduce racist ratingsA study of almost 70,000 ratings showed that racial discrimination could be eliminated from an online platform by switching from a five-star rating system...
Record-breaking neutrino detected by huge underwater telescope
Feb 12, 2025In this episode: 00:45 An elusive, cosmic neutrino with a record-breaking energyAn enormous array of detectors, deep under the Mediterranean Sea, has captured evidence of the highest-energy neutrino ...
From viral variants to devastating storms, how names shape the public's reaction to science
Feb 07, 2025In episode 2 of 'What's in a name' we look how choosing names can help, or hinder, attempts to communicate important messages. Categorizing things is central to science. And there are dozens of system...