New Science Podcast: Lab-Grown Mini Brains, Herd Immunity & Bat Dinosaurs

The chances of mini brains becoming sentient, herd immunity, bat-like dinosaurs, and a UK government decision threatens gender diversity in academia.

In this episode:

00:59 The ethics of creating consciousness

Brain organoids, created by culturing stem cells in a petri dish, are a mainstay of neuroscience research. But as these mini-brains become more complex, is there the chance they could become conscious, and if so, how could we tell?

News Feature: Can lab-grown brains become conscious?

09:01 Coronapod

So called ‘herd immunity’ is claimed by some as a way to break the chain of infection and curtail the pandemic. However epidemiologists say that this course of action is ineffective and will lead to large numbers of infections and deaths.

News Explainer: The false promise of herd immunity for COVID-19

20:59 Research Highlights

Volcanic ash degrades ancient art in Pompeii, and the aerial ineptitude of two bat-like dinosaurs.

Research Highlight: The volcanic debris that buried Pompeii wreaks further destruction; Research Highlight: A dead end on the way to the sky

23:22 How cutting red-tape could harm gender diversity in UK academia

The Athena SWAN scheme, designed to boost gender-equality in UK academia, has proved effective, and has been exported to countries around the world. But now a decision by the UK government to cut bureaucracy could mean that institutions pay less heed to schemes like this and threaten future efforts to increase gender diversity in UK academia.

Editorial: Equality and diversity efforts do not ‘burden’ research — no matter what the UK government says

31:00 Briefing Chat

We discuss some highlights from the Nature Briefing. This time, oncologists discover a potential new human organ, and how re-examined fossils have given new insights into the size of baby tyrannosaurs.

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