Episode (200)
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Long-sought 'nuclear clocks' are one tick closer
Sep 04, 2024In this episode: 00:45 Why a 'nuclear clock' is now within researchers’ reachResearchers have made a big step towards the creation of the long theorized nuclear clock, by getting the most accurate mea...
Audio long read: So you got a null result. Will anyone publish it?
Aug 30, 2024The 'file-drawer problem', where findings with null or negative results gather dust and are left unpublished, is well known in science. There has been an overriding perception that studies with positi...
Covert racism in AI chatbots, precise Stone Age engineering, and the science of paper cuts
Aug 28, 2024In this episode: 00:31 Chatbots makes racist judgements on the basis of dialectResearch has shown that large language models, including those that power chatbots such as ChatGPT, make racist judgemen...
Can ageing be stopped? A biologist explains
Aug 22, 2024For millennia, humanity has obsessed about halting ageing and, ultimately, preventing death. Yet while advances in medicine and public-health have seen human life-expectancy more than double, our maxi...
AI can't learn new things forever — an algorithm can fix that
Aug 21, 202400:46 Old AIs can’t learn new tricksAn algorithm that reactivates dormant ‘neurons’ in deep learning based AIs could help them overcome their inability to learn new things and make future systems more...
The mystery of Stonehenge's central stone unearthed
Aug 14, 202400:48 The mystery of Stonehenge’s Altar StoneStonehenge’s central stone came from Northern Scotland, more than 600 miles away from the monument, according to a new analysis of its geochemistry. It is ...
ChatGPT has a language problem — but science can fix it
Aug 09, 2024AIs built on Large Language Models have wowed by producing particularly fluent text. However, their ability to do this is limited in many languages. As the data and resources used to train a model in ...
Where weird plants thrive: aridity spurs diversity of traits
Aug 07, 202400:48 Plant trait diversity in drylandsA study reveals that, unexpectedly, plants display a greater diversity of traits in drier environments. Trait diversity is a measure of an organism's performance...
How light-based computers could cut AI’s energy needs
Jul 31, 202400:45 Increasing the energy efficiency of light-based computersComputer components based on specialised LEDs could reduce the energy consumption of power hungry AI systems, according to new research. ...
Audio long read: Hope, despair and CRISPR — the race to save one woman’s life
Jul 26, 2024In India, a group of researchers raced to develop a CRISPR-based genome editing therapy to save the life of a young woman with a rare neurodegenerative disease. Despite a valiant effort, the pace of r...