Understanding the human body is a team effort. That's where the Yachtel group comes in.

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This is Scientific Americans' 60-second science.

I'm Steve Merski.

Absolutely spectacular mission. And it's not a rover. It's a lander. It's designed to land and deploy several instruments.

Jim Green, NASA's new chief scientist, talking about the Insight Mission to Mars. Insight launched from Vandenberg Air Force Base

in California the morning of May 5th. He spoke with Scientific American Space Editor Lee Billings,

who recorded their conversation. One instrument will be set on the surface and it will, you know,

measure Marsquakes. Now, why are Marsquakes important? Well,

Marsquakes, because we can get the acoustic signals and see how they are displayed in time,

we can tease out the size of the core, even if it's liquid or not, the size of the mantle

and the crust, and compare those with the big terrestrial planet Earth that we know a lot

about its interior. And this will really help us understand how terrestrial planets are made.

Green was NASA's Planetary Science Division Director since 2006 before taking on his

current assignment just last week.

Back to the Insight Mission.

But in general, it also has a human exploration part to it.

For instance, we know Mars is quaking.

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