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Coronavirus: France's first known case 'was in December'

The case means Covid-19 may have arrived in Europe almost a month earlier than previously thought.




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Coronavirus: 'Segment and shield' way to lift UK lockdown now

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




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Coronavirus: Prostate-cancer men swap chemo for precision drugs

Men with advanced prostate cancer can now take highly targeted hormone therapies at home.




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The patients who just can't shake off Covid-19

Most patients recover from Covid-19 quickly - but for some, symptoms linger for weeks.




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Coronavirus: White House plans to disband virus task force

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




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Coronavirus: Is there any evidence for lab release theory?

BBC News examines allegations that the coronavirus was accidentally released from a lab.




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Will anyone ever find Shackleton's lost ship?

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




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Coronavirus cure: When will we have a drug to treat it?

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




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Hubble telescope's Universe revealed in 3D

New techniques are being used to transform images from Hubble into spectacular 3D visualisations.




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Tsunami risk identified near future Indonesian capital

Scientists map ancient underwater landslides in the region chosen for Jakarta's replacement.




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Coronavirus immunity: Can you catch it twice?

Immunity is the crucial question and understanding it will tell us how the pandemic will end.




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Dancing gargantuan black holes perform on cue

Scientists predict the explosive behaviour of two supermassive black holes almost to the hour.




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Social distancing and coronavirus: The science behind the two-metre rule

Ministers are reportedly considering relaxing the two-metre rule for social distancing in workplaces.




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Coronavirus: Animals in zoos 'lonely' without visitors

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




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Nasa names companies to develop Moon landers for human missions

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




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Coronavirus lockdown: Can nature help improve our mood?

How the outside world can be good for body and mind - with expert tips on making the most of it.




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Antarctica's A-68: Is the world's biggest iceberg about to break up?

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




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Coronavirus: Transport usage will change after lockdown

Public transport usage won't recover to pre-Covid19 levels once the lockdown ends, a survey suggests.




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Climate change: Where we are in seven charts and what you can do to help

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




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Climate change: More than 3bn could live in extreme heat by 2070

Areas such as India, Australia and Africa are predicted to be among the worst affected.




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Climate change and coronavirus: Five charts about the biggest carbon crash

How the global pandemic is limiting carbon emissions and what this will mean for climate change.




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Nasa space lasers track melting of Earth's ice sheets

US space agency satellites follow the melting trends in Antarctica and Greenland over 16 years.




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Coronavirus: US authorises use of anti-viral drug Remdesivir

The Food and Drug Administration authorises emergency use of the experimental anti-viral drug.




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High microplastic concentration found on ocean floor

Mediterranean sediments are shown to have up to 1.9 million tiny plastic pieces per square metre.




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Forests 'can take cover to resist alien invaders'

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




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Malaria 'completely stopped' by microbe

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




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Coronavirus: Calls to shut down 'dirty fur trade'

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




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Coronavirus lockdown reduces UK ground motions

Science instruments sense a big dip in seismic noise as the population stays at home.




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Coronavirus: Prof Neil Ferguson quits government role after 'undermining' lockdown

Prof Neil Ferguson, who advised ministers on coronavirus, says he "made an error of judgement".




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Coronavirus mutations: Scientists puzzle over impact

A study has identified a mutation that its authors say could make the coronavirus more infectious.




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Scientists explain magnetic pole's wanderings

The North Magnetic Pole has been racing across the top of the world, from Canada towards Siberia.




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'Nearest black hole to Earth discovered'

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




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Coronavirus: Boom time for bikes as virus changes lifestyles

Bicycle shops across the UK say demand for new bikes, and repairs for old ones, has risen sharply.




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Mark Carney: 'We can't self-isolate from climate change'

The former Bank of England governor says countries should invest in a cleaner economic recovery.




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Some landscapes show resistance to ash dieback

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




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Scientists obtain 'lucky' image of Jupiter

The Hawaii-based Gemini telescope produces a super-sharp picture of the gas giant in the infrared.




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Government to urge us all to walk and cycle more

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




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Profile: Non-Aligned Movement

Facts, figures and dates on the organisation committed to representing the political, economic and cultural interests of the developing world.




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Profile: Ecomog

Key facts, figures and dates about West Africa's peacekeeping mission




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Profile: African Union

Key facts about the pan-African organisation





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Timeline: Somalia

A chronology of key events




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Timeline: Sierra Leone

A chronology of key events




o

Timeline: Sao Tome and Principe

A chronology of key events




o

Timeline: Mozambique

A chronology of key events




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Timeline: Lesotho

A chronology of key events




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Ivory Coast timeline

A chronology of key events




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Timeline: Gabon

A chronology of key events




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Timeline: Ethiopia

A chronology of key events




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Timeline: Equatorial Guinea

A chronology of key events