This week’s Nature podcast looks at how skin’s unusual response to stretching is finally explained, a coronavirus update and the latest in a huge effort to map DNA.
In this episode:
01:06 Stretching skin
For decades it’s been known that stretching skin causes more skin to grow, but the reasons why have been a mystery. Now, researchers have uncovered a mechanism to explain the phenomenon. Research Article: Aragona et al.; News and Views: Stretch exercises for stem cells expand the skin
07:49 Coronapod
We discuss how the coronavirus pandemic has affected scientific meetings and how the learned societies that organise them are adapting. How scientific conferences will survive the coronavirus shock; How scientific societies are weathering the pandemic’s financial storm;
A year without conferences? How the coronavirus pandemic could change research
18:18 Research Highlights
A genetic trait for pain-resistance, and the accessibility-aware ancient Greeks. Research Highlight: A gene helps women in labour to skip the painkillers; Research Highlight: This temple was equipped with accessibility ramps more than 2,000 years ago
20:42 ENCODE updates
The ENCODE project aims to identify all the regions in the human genome involved in gene regulation. This week, data from its third iteration has been published and we examine the highlights. Research Article: Snyder; News and Views: Expanded ENCODE delivers invaluable genomic encyclopaedia
28:50 Briefing Chat
We take a look at some highlights from the Nature Briefing. This time we look at how smallpox may be much older than previously thought, and how the Earth’s atmosphere rings like a bell. Nature News: Smallpox and other viruses plagued humans much earlier than suspected; Physics World:
The Economist updates Covid-19 rates spiking around the world, McDonald’s fast food profits plunge and other top international business and economic news.
The Republicans have reached a deal on coronavirus relief, but it could mean much less unemployment money for Americans. Can they convince Democrats? Major League Baseball is already postponing games due to COVID-19 infections. And do we need another lockdown to beat COVID-19?
This week, lawmakers in Capitol Hill are trying to piece together the next stimulus package as many benefits like unemployment insurance and forgiving evictions expire. Democrats and Republicans both agree that a new bill is necessary but there’s been a lot of back and forth about the specifics. And they’re running out of time.
NPR News Now discusses continued criticism of federal agents in states, Spain’s new lockdown measures and other international news.

Dexamethasone, a steroid that appears promising for COVID-19 patients, has a long and storied history in medicine. We talk with experts about its many uses, and explore how it might save lives in this pandemic. Writer, Reporter, Editor, Narrator: Sara Reardon Animator: Donald Pearsall