Briefing Chat: Can NASA return rocks from Mars? And why dogs have long ears
Published: January 16, 2026
Duration: 10:04
In this episode:
00:40 The rock samples destined to remain on Mars
Nature: NASA won’t bring Mars samples back to Earth: this is the science that will be lost
05:24 The genetics of dogs’ droopy ears
Nature: Do their ears hang low? The genetics of dogs’ adorable floppy ears
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.