Your phone can use tiny skin-colour changes to measure your heart rate

In this episode:00:23 Fossil evidence that spinosaurs had an aquatic lifestyleScience: Some spinosaurs cried salty tears to thrive in brackish waters04:57 The explosive immune cells that kill in minutesNature: Bang! Exploding immune cells splatter potent toxins everywhereSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:57 How your smartphone’s camera could measure your heart rateResearch article: Liao et al.08:55 Research HighlightsNature: A star gone rogue tears through the GalaxyNature: Gold keeps glittering courtesy of surface chemistry11:04 Should you try something new in a restaurant? Maths has the answerNature: Feynman solved the ‘restaurant dilemma’ 50 years ago — now a study confirms his mathematicsSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:21 When witnesses identify suspects from police line-ups, confidence mattersNature: Memory on trial: the new science of when to trust eyewitness testimony07:15 Registered Reports: how this ‘double peer review’ process could benefit scientists and their resultsNature: Nature is expanding Registered Reports to all the fields in which we publish Hosted on Acast. See acast.com/privacy for more information.

On 17 May the World Health Organization (WHO) declared an ongoing Ebola outbreak a public health emergency of international concern. Centred on the Democratic Republic of the Congo and Uganda, the outbreak has seen mounting numbers of suspected cases and deaths linked to the rare Bundibugyo species of Ebola virus.In this podcast we hear what's currently known about the outbreak and the efforts of clinicians, researchers and public health officials to halt its progress.Nature: Ebola outbreak is a global health emergency: what happens nextNature: Race begins to trial Ebola drugs amid current outbreakNature: Ebola outbreak spirals out of control: how might it have started?Nature: Will this Ebola outbreak be the biggest yet? Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:46 Meet the AI scientists designed to accelerate researchResearch article: Ghareeb et al.Research article: Gottweis et al.Nature: Teams of AI agents boost speed of researchEditorial: Why AI cannot do good science without humansNature: Do you hate or love AI? Take Nature’s poll13:25 Research HighlightsNature: Dried to survive: desiccated tardigrades tolerate high heatNature: Pristine Antarctic ice records the Solar System’s travels15:35 Using LiDAR to look around cornersResearch article: Somasundaram et al.Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:34 What questions remain about the hantavirus outbreak?Nature: Hantavirus outbreak exposes uncertainty about how disease spreadsNature: There is no vaccine for deadly hantavirus: what that means for future outbreaksSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:42 Is red-light therapy all hype?Disclaimer: The opinions and assertions expressed herein by Juanita Anders are those of the speaker and do not reflect the official policy or position of the Uniformed Services University of the Health Sciences or the Department of War.Nature: The surprising science behind red-light therapy — and how it really works10:52 Research HighlightsNature: Trafficked pangolins can be traced to their source by DNA — even to a specific forestNature: A wispy wrapper for a chilly, Pluto-like world13:11 The complex story of global obesity ratesResearch article: NCD Risk Factor CollaborationSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

Although scientists have long been able to gather DNA from water and soil, it's only recently that they've started to see the air as a source of genetic information.Airborne DNA is already being used to monitor individual species, but researchers hope its abundance could have multiple uses, including judging the success of conservation efforts or attacks with biological weapons.However, there remains much to understand, such as how far DNA travels in the air, and the ethics involved in the potential identification of a person's genetic information.This is an audio version of our Feature: The air is full of DNA — here’s what scientists are using it for Hosted on Acast. See acast.com/privacy for more information.

00:31 The science of attention spansNature Feature: Are attention spans really shrinking? What the science says04:54 Data centres in space?Nature News Explainer: AI data hubs in space: when will they take flight?Nature Comment: Space diplomacy: bridging the operating gaps between myriad missionsSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

In this episode:00:42 Probing the unconscious brain’s processing abilityResearch Article: Katlowitz et al.Nature: Even the unconscious brain can learn — and predict what you’ll say next12:32 Research HighlightsNature: An electrifying test to find a good coffeeNature: ​​​​​​​Forest pests hit trees hard as temperatures rise Hosted on Acast. See acast.com/privacy for more information.