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Coronavirus: India's race against time to save doctors

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




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Coronavirus: Should I start taking vitamin D?

Some people might want to consider it during the pandemic. Here's why.




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Coronavirus lockdown: Lessons from Hokkaido's second wave of infections

The Japanese island, which initially saw a drop in cases, is now facing a bigger wave of virus cases.




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Why the WHO got caught between China and Trump

President Trump has been critical - but what do others think of the "global guardian of public health"?




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Coronavirus: The health advice that is misleading or worse

There's still plenty of dangerous and untested medical advice circulating online.




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Australians urged to sign up to tracking app

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




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Coronavirus: Key workers to trial NHS tracing app

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




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Coronavirus: Chinese state media take aim at US 'lab theory'

State media says US claims that the coronavirus originated in a research laboratory are "absurd".




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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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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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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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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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Scientists may never find virus 'missing link' species

The identity of the "intermediate host" animal that first passed the coronavirus to a human may never be found, say scientists.




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England bad at penalties? Think again - say the Germans

New scientific research, from Germany of all places, suggests English footballers are actually good at spot-kicks.




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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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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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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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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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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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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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Timeline: Zimbabwe

A chronology of key events




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Timeline: Zambia

A chronology of key events




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Timeline: Uganda

A chronology of key events




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Timeline: Togo

A chronology of key events




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Timeline: Tanzania

A chronology of key events




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Timeline: Swaziland

A chronology of key events




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Timeline: Somalia

A chronology of key events




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Timeline: Sierra Leone

A chronology of key events




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Timeline: Seychelles

A chronology of key events




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Timeline: Senegal

A chronology of key events




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Timeline: Sao Tome and Principe

A chronology of key events




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Timeline: Rwanda

A chronology of key events




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Nigeria timeline

A chronology of key events




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Timeline: Niger

A chronology of key events




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Timeline: Namibia

A chronology of key events




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Timeline: Mozambique

A chronology of key events




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Timeline: Mauritius

A chronology of key events




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Mauritania timeline

A chronology of key events




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Timeline: Mali

A chronology of key events




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Timeline: Malawi

A chronology of key events




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Timeline: Madagascar

A chronology of key events




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Timeline: Liberia

A chronology of key events




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Timeline: Lesotho

A chronology of key events




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Timeline: Kenya

A chronology of key events




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Ivory Coast timeline

A chronology of key events




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Timeline: Guinea-Bissau

A chronology of key events