Inside Science: RNA vaccines for future pandemics, giant Cretaceous octopuses, and the Aurora Lumina fossil

Overview

Inside Science discusses how vaccine science could prepare for a future flu pandemic using RNA platforms, alongside big questions in paleontology and deep time.

• RNA vaccines can be updated rapidly to match emerging bird-flu strains using platform approaches
• Bridging studies and correlates of protection help predict vaccine efficacy without large outbreak data
• A giant Cretaceous octopus, inferred from jaw measurements, hints at enormous apex predators in ancient seas
• Aurora Lumina, a 560 million year old fossil named after David Attenborough, reshapes our view of early animal evolution

Introduction and scope

The episode opens with a look at how to prepare vaccines for a potential pandemic that has not happened yet, focusing on the avian influenza threat and how RNA vaccine technology could speed response times and improve matches to circulating strains.

"No, because the next pandemic will be something that we're not expecting" - John Tregoning, Professor in Vaccine Immunology, Imperial College London

Pandemic preparedness and RNA vaccines

The discussion explains why H5N1 and H7N9 are of particular concern, how an RNA vaccine can act like a modular platform, and the idea of a bridging study that uses correlates of protection to speed evaluation. The analogy of a cassette-based platform underscores how vaccines could be rapidly reprogrammed to match new bird-flu viruses, with RNA vaccines offering speed and scalability. The team also reviews historical lessons from swine flu and Ebola, illustrating why preparedness matters even if a pandemic does not resemble expectations.

"RNA vaccines, you can act like a 3D printer" - John Tregoning, Professor in Vaccine Immunology, Imperial College London

The conversation covers the bridging concept, the hemagglutination inhibition assay (HAI) as a long-standing correlate of protection for influenza, and the idea that with a good correlate, you can tailor the vaccine to a circulating strain and move into production quickly. The episode emphasizes that while this does not solve pandemics, it advances preparedness by enabling faster, better-matched responses.

"Does this mean we've solved pandemics? No, because the next pandemic will be something that we're not expecting" - John Tregoning, Professor in Vaccine Immunology, Imperial College London

Giant Cretaceous octopuses

Roland Pease introduces a remarkable fossil claim: giant octopuses from the Cretaceous period, potentially up to 19 meters long, inferred from jaw-to-body size extrapolations. The discussion explains how researchers use jaw wear and ratios to estimate body size, while noting that soft-tissue preservation is rare and crucial for precise reconstruction. The segment also explores feeding strategies, comparing cephalopod predators to modern analogues like the giant Pacific octopus and baleen whales, and considers the ecological roles such predators might have played in ancient oceans.

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"the jaw is the Hard bit which can survive fossilization" - Christian Klug, professor of palaeontology, Zurich University

Aurora Lumina and the origin of animals

Frankie Dunn explains the naming of a 560 million year old fossil, Aurora Lumina attenborei, after David Attenborough. The fossil is placed within the Cnidaria lineage, showing features resembling the polyp stage of jellyfish. This positioning helps connect the Ediacaran fossil record to modern cnidarians, extending the timeline for the evolution of animal body plans by around 40 million years and bridging the gap between the enigmatic early life of the Ediacaran and the Cambrian explosion.

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"Aurora Lumina actually looks a huge amount like the polyp stage of living jellyfish" - Dr. Frankie Dunn, senior researcher, Oxford University Museum of Natural History

Nature and the state of robotics research

Lizzie Gibney from Nature highlights a Nature paper on a table-tennis playing robot, illustrating how robotics is progressing beyond teleoperation into more autonomous function. The conversation addresses the challenges of bringing robotics into everyday environments, noting how experiments in controlled settings like sports courts still face significant obstacles before robots can perform tasks such as plumbing at human-inhabited scales.

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"there was a humanoid robot marathon that happened in Beijing last week... it is still a big, big step to have robots in the real world" - Lizzie Gibney, senior reporter, Nature

Big G replication study and the limits of measurement

The final segment covers a decade-long replication effort to pin down the gravitational constant Big G. The discussion emphasizes the difficulty of measuring this constant to high precision and the ongoing mystery about why results have not converged on a universally accepted value. The story underscores the experimental challenges inherent in fundamental physics as researchers pursue ever more precise determinations.

Overall, the podcast weaves together advances in vaccine science, paleontology, and fundamental physics to illustrate how science pushes boundaries across very different domains.