Earliest crafted bone tools date back 1.5 million years
00:46 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...
5 Mars 202529min
Audio long read: Why kids need to take more risks — science reveals the benefits of wild, free play
Over 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...
28 Feb 202516min
If your heart stops, this smartwatch-AI can call for help
00:47 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...
26 Feb 202519min
Racist ratings linger in five-star systems — a thumbs up could fix that
01:14 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...
19 Feb 202531min
Record-breaking neutrino detected by huge underwater telescope
In 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 pa...
12 Feb 202534min
From viral variants to devastating storms, how names shape the public's reaction to science
In 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 systems...
7 Feb 202535min
Kids' real-world arithmetic skills don't transfer to the classroom
In this episode:00:45 How arithmetic skills don’t transfer between applied and academic environmentsMathematics skills learnt in real-world situations may not translate to the classroom and vice versa...
5 Feb 202534min
The AI revolution is running out of data. What can researchers do?
The explosive improvement in artificial intelligence (AI) technology has largely been driven by making neural networks bigger and training them on more data. But experts suggest that the developers of...
31 Jan 202516min
