An overview of the Isle of Man including key facts, political leaders and notes on the media

Key facts, figures and dates

Key facts, figures and dates

An overview of the Faroe Islands including key facts, political leaders and notes on the media

Key facts, figures and dates

Key facts, dates and events

Key facts, dates, events

An overview of Corsica including key facts and notes on the media

Key facts, figures and dates

An overview of the Channel Islands including key facts, political leaders and notes on the media

A profile of the Spanish north African enclaves of Ceuta and Melilla

An overview of Ajaria including key facts, political leaders and notes on the media

An overview of Abkhazia including key facts, political leaders and notes on the media.

NHS workers are donating blood samples to find out why some of them contract Covid-19 when others don't.

BBC Reality Check breaks down what coronavirus testing is and why it matters.

The BBC Health team talks through the NHS advice about protecting yourself from COVID-19.

How do we keep fit while heeding the government's new advice on avoiding unnecessary social contact?

Funerals have been banned in Italy - robbing many families of the chance to say a final goodbye.

Hospitals need to supply oxygen to more beds than is currently possible, so doctors are searching for hacks.

While most people will have mild symptoms and recover quickly, some are more prone to getting sick.

Chicagoans are racing to make personal protective equipment for frontline workers.

Tens of thousands are calling helplines and thousands are going to bed hungry as India shuts down.

Prime Minister Boris Johnson is among those to be treated in hospital for the symptoms of Covid-19.

Danish schools will reopen soon, but curbs will only be lifted gradually.

India does not have the PPE kits it needs to protect its doctors and police from Covid-19 infection.

Why do fewer people seem to be having heart attacks and strokes? One theory is that the lockdown lifestyle is healthy.

PM Scott Morrison said wide usage would be the "ticket" to normal life resuming as soon as possible.

The data on its effect on symptoms comes from a trial of more than 1,000 patients in the US.

If the Isle of Wight trial is successful, the app could be ready nationwide within weeks, ministers say.

Strengthen protection for high-risk people while easing restrictions for others, scientists say.

The vice-president says the task force may wind down by the end of May or early June.

Last year's failed attempt to locate one of the world's great wrecks has lessons for future efforts.

There are no drugs proven to help doctors treat the disease, but work is under way around the world.

Birds, elephants and primates are among those missing guests, zoos around the world say.

The space agency announces the companies that will work on landers to return astronauts to the Moon.

The 5,100 sq km behemoth which broke away from Antarctica in 2017 drops its own large chunk of ice.

We look at how hot the world has got and what can we can all do to tackle global warming.

Native woodlands can resist the spread of invasive species if they block light reaching the ground.

Scientists say the microbe - found in the wild near Lake Victoria - has enormous potential.

Mink have caught Covid-19, adding to the list of infected animals, and prompting calls for trade bans.

An unseen object is found to be lurking in a double-star system a mere 1,000 light-years from Earth.

Certain habitats can help dampen the spread of ash dieback, which threatens ash trees.

Funding for English local authorities is likely to be unveiled to encourage people to be more active.

A chronology of key events

A chronology of key events

A chronology of key events

An overview of Zanzibar, including key facts, political leaders and notes on the media

Key facts about the territory disputed between Morocco and the Polisario independence movement

Key facts, figures and dates

Key facts for St Helena, Ascension Island and Tristan da Cunha