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So a neutron star is kind of about the size of Chicago.
Unexpected elements from the BBC World Service Search for unexpected elements wherever you get your BBC podcasts.
Hello and welcome to Business Matters and the BBC World Service.
I'm Liana Byrne.
On the program today, the big topic we want to discuss is the economics of migration.
It's not just a huge topic in the US but also worldwide.
And Italy's government has just had a setback in its policy to send Europe bound migrants to Albania.
We want to hear your thoughts on all this, so be sure to contact us on WhatsApp or send us a voice note on 00443-306-783033 or you can always email us on World BusinessB.
Also today in Pakistan, Punjab authorities have banned most outdoor activities and told some shops to shut early as smog induced illnesses soar.
And we speak to one man who's taken the plunge in retirement and turned his attention to surfing.
Now I'll be joined throughout the program by two guests on opposite sides of the world.
Mamansha Mamal Shafraz, journalist and analyst based in Lahore, Pakistan.
Hello, Mamal hello.
Good morning, Liana.
Good morning.
And we also have Dr.
Stephanie O'Hare, author and researcher on technology and ethics, who is based in London.
Hello.
Hello.