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Hi, Listeners, Benjamin here. Happy New Year to you all. We've a short show this week just to ease you into the new decade.

And we're going to be doing a little bit of future gazing at what science might throw up for us in 2020.

Joining me on this journey is Davide Castelvecki, a senior reporter here at nature, who's been

compiling a list of what the year might hold in store.

Davide, hi.

Hello, Ben.

Let's start with space then.

And to me, when I was a kid in the 1980s, 2020 seemed like the dim, distant future

when we'd be out there exploring the stars. Things haven't quite progressed to that level just yet,

but it does seem there'll be a lot of missions heading to Mars this year. Yes, indeed. There will be

at least four, including three landing on the surface of Mars, and for

the first time an orbiter sent by an Arab country, the United Arab Emirates.

And why such interest in Mars then this year?

...