This BBC podcast is supported by ads outside the UK.
What would you do
if you were sailing on a ship far from loved ones and you didn't know when you'd be able to set foot on land again?
For the crew of the cargo ship, the Avantour,
the Covid pandemic made this nightmare scenario a reality.
What is happening?
to the people we love that are home.
Lives Less Ordinary from the BBC World Service tells their remarkable story in a new eight-part series.
Listen now.
Search for Lives Less Ordinary wherever you get your BBC podcasts.
Hello, you're listening to the documentary from the BBC World Service.
I'm Caroline Steele and welcome to The Engineers Exploring the Human.
Engineering is changing medicine.
In neuroscience, brain implants are translating thoughts into words.
In medication,
a new technology may deliver drugs to targeted areas of the body via bubbles in the bloodstream.
Meanwhile, ingestible electronics are being made to fight disease with signals from the gut.
To find out more,
we went to the Royal Geographical Society in London and with our partners,
the Royal Commission 1851,