Briefing Chat: Can NASA return rocks from Mars? And why dogs have long ears

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.