This is The Guardian.

This week, there's been a lot of excitement and speculation over an interstellar visitor.

Our favorite interstellar visitor, that comet or question mark, 3-I Atlas.

It is up to a little bit more strange.

It's now last...

Three-Eye Atlas has sparked some controversy, too, with Harvard astrophysicist Avey Loeb, arguing

this icy comet could in fact be an alien spaceship.

And to help explore this idea, he's even tried to recruit Kim Kardashian.

I actually extended an invitation to Kim to join my research team on 3i Atlas because she seems curious about it.

You know, I see science as an opportunity to maintain our childhood curiosity.

No stranger to controversy, last week we learned of the death of James Watson,

co-discoverer of the double helix structure of DNA.

It was a revelation that changed the field of biology,

but in his later life, his reputation was marred by his offensive views on race and sex.

And as scientists continue to probe the deep workings of our bodies, researchers have found

a potential cause of the autoimmune disease

lupus, and it's a virus almost all of us carry. So today I sit down with Ian Sampal to chat about

contentious comets, lupus clues, and the complicated legacy of James Watson.

From The Guardian, I'm Madeleine Finley, and this is Science Weekly.

Ian Sampel, good to see you.

Now, we're starting off this episode with the death last week of a

huge figure in the biological sciences James Watson, co-discoverer of the double helix structure of DNA

...