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 MarsNature: NASA won’t bring Mars samples back to Earth: this is the science that will be lost05:24 The genetics of dogs’ droopy earsNature: Do their ears hang low? The genetics of dogs’ adorable floppy earsSubscribe 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.

What this episode covers

In this episode:00:40 The rock samples destined to remain on MarsNature: NASA won’t bring Mars samples back to Earth: this is the science that will be lost05:24 The genetics of dogs’ droopy earsNature: Do their ears hang low? The genetics of dogs’ adorable floppy earsSubscribe 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.

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This episode is 10 minutes long.

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This episode was published on January 16, 2026.

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