Share

cover art for 30 April 2020: A sniff test for consciousness, and how to cut antibiotics use — with vaccines

Nature Podcast

30 April 2020: A sniff test for consciousness, and how to cut antibiotics use — with vaccines

This week, how the ‘sniff-response’ can help clinicians determine a patient's state of consciousness, and how vaccines could help drive down antibiotic use.


In this episode:


00:45 Sniffing out consciousness

Researchers have found that the sniff reflex can indicate whether a patient is in a vegetative state, and even the likelihood that they will recover consciousness. Research Article: Arzi et al.


08:37 Research Highlights

The stupefying effect of carbon dioxide, and a chameleon gemstone that tricks your eyes. Research Highlight: Rising carbon dioxide levels will make us stupiderResearch Highlight: How a chameleon gemstone changes from red to green


11:12 Vaccination and antibiotic usage

Looking at data from low- and middle-income countries, researchers have determined that vaccination could prevent millions of infections currently treated by antibiotics. Research Article: Lewnard et al.


16:49 Pick of the Briefing

We pick our highlights from the Nature Briefing, including the forgotten mother of climate change science, and a new global study on insect declines. Chemistry World: Eunice Foote: the mother of climate changeScience: Meta-analysis reveals declines in terrestrial but increases in freshwater insect abundances

Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.


Other links

Shamini’s latest video on a newly discovered Spinosaurus skeleton, which suggests that it had a fin-like tail that would have helped it swim and hunt.


We've been nominated for a Webby award! You can vote for us here.

More episodes

View all episodes

  • DNA from hunter-gatherer teeth reveals secrets of ancient plague

    26:42|
    In this episode:00:45 Ancient evidence of deadly plague outbreaksResearch article: Macleod et al.12:33 Research HighlightsNature: Bones of Iron Age skeleton were whittled into toolsNature: Giant crustacean of the deep sea steals a trick from bacteria14:52 A prototype atom interferometerResearch article: Baynham et al.Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.
  • Briefing Chat: The epic journey of Stonehenge’s central stone

    11:20|
    In this episode:00:37 Evidence that Stonehenge's Altar Stone travelled by glacierBBC Science Focus: We may have just cracked one of Stonehenge's greatest mysteries05:44 Fossilized faeces reveal DNA from ancient ecosystemNature: Ancient ground squirrels feasted on carcasses like ‘zombies of the Pleistocene’Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.
  • Newly-discovered whale graveyard dates back millions of years

    21:38|
    In this episode:00:46 A giant, ancient whale necropolisResearch article: Peng et al.News & Views: A vast whale necropolis has been found08:52 Research HighlightsNature: Babies’ birth weight improves with help of payments to parentsNature: Earliest signs of vision recorded in ancient sea-floor tracks11:11 Turning plant material into chemical building-blocksResearch article: Mains et al.Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.
  • Briefing chat: Spinosaurs with salt glands could have lived in marine environments

    11:25|
    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.
  • Your phone can use tiny skin-colour changes to measure your heart rate

    18:23|
    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.
  • Briefing Chat: When to trust eyewitness memory – according to science

    17:14|
    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
  • Major Ebola outbreak is escalating: what happens next

    12:01|
    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?
  • AI ‘scientists’ promise to accelerate research — how do they work?

    27:55|
    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.
  • Briefing Chat: Hantavirus — what this outbreak reveals about the disease

    09:34|
    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.