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.

And this mission would be NASA's first mission that is directly tasked with searching for signs of life on another world since the Viking spacecraft were given that task back in the 1970s on the surface of Mars.

Kevin Hand of NASA's Jet Propulsion Laboratory.

We talk about finding or searching for signs of life on some of these ocean worlds, and in particular

these geologically active ocean worlds with rocky seafloors like Europa.

Hans spoke February 17th at the annual meeting of the American Association for the Advancement

of Science in Boston.

He's the deputy project scientist for the Europa mission, which plans to send a lander to

the ice-covered moon of Jupiter.

We're talking about environments where life could be alive today.

So these ice shells may serve as a window into the oceans below,

and oceanic material may be coming up to the surface where a mission like a lander could actually

sample that material directly. And I'm the pre-project scientist for this mission. This is a mission

that would reach the launch pad in the 2024 to 2025 timeframe.

It would land on Europa's surface and operate for about 20 plus days.

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