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Covid -19 how infectious is it really?

The pattern of transmission and prospects for drug treatments.

• 38 mins

Covid -19, are you carrying the virus?

Research from Italy and China, shows many people have the coronavirus but no symptoms

• 32 mins

The science of social distancing

Why staying home is the best defence against Covid -19

• 29 mins

Covid 19 – The fightback in Africa begins

As cases spread in Nigeria, can lessons from Ebola counter covid 19?

• 32 mins

Covid 19 - the threat to refugees

The impossibility of social distancing and even handwashing in crowded refugee camps

• 26 mins

Italy, getting Covid-19 under control

Tentative steps to relax the lockdown

• 32 mins

Presidents and pandemics

Why they don’t mix

• 43 mins

Ebola drug offers hope for Covid-19

Early trials suggest Remdesivir can aid recovery

• 48 mins

Covid -19 new hope from blood tests

Research from New York shows how our own immune response is responding to Covid 19

• 43 mins

Loosening lockdown

Understanding which situations pose the highest risk for virus transmission is key.

• 37 mins

Covid-19 vaccines

More than a hundred vaccines are in development to fight the virus

• 31 mins

Brazil’s Covid chaos

The number of cases and deaths may be much higher than official figures show

• 32 mins

The medical complexity of Covid -19

Understanding viral damage to the brain and heart

• 31 mins

Food security, locusts and Covid -19

Efforts to eradicate locust swarms and save harvests continue despite the pandemic

• 27 mins

Covid -19 hope for severe cases

A readily available drug prevents some deaths, and others may also be useful

• 34 mins

Record high temperatures – in the Arctic

Siberia has seen 38 degrees Celsius, 100 degrees Fahrenheit

• 26 mins

Covid -19 and Children

Why a minority become gravely ill is still a mystery

• 31 mins

Rwanda’s game changing coronavirus test

African scientists have developed a reliable, quicker and cheaper mass testing method

• 30 mins

How long do Covid-19 antibodies last?

New research on how long our defences against the coronavirus last.

• 34 mins

Making a Covid-19 vaccine for two billion people

The challenge of making two billion Covid-19 vaccine doses within the year.

• 34 mins

NASA rover heads for Mars ancient lake

NASA 2020 rover launched on fresh search for life on Mars

• 35 mins

Counting the heat health threat from climate change

Huge death toll from rising temperatures projected for century’s end.

• 32 mins

Putin’s Covid-19 vaccine

Despite widespread alarm, Russia is not about to roll out an untested vaccine.

• 37 mins

Trouble in Greenland

Has the loss from Greenland’s vast ice sheet reached a tipping point?

• 32 mins

Covid-19 therapy controversy

Is convalescent plasma really a ‘tremendous’ treatment for Covid-19?

• 38 mins

Nyiragongo - is Goma under threat?

More than 2 million people live around this volcano, which has become more active

• 31 mins

Covid -19 science versus politics

Are the politicians finally coming round to the scientist’s views on the way forward?

• 38 mins

Malaria resistance breakthrough

Discovered in East Africa, the finding holds promise for completely new treatments.

• 30 mins

Why Covid -19 vaccines may not stop transmission

They are only designed to prevent disease developing, none have been tested against spread

• 41 mins

Are children the biggest Covid-19 spreaders?

The world’s largest study of Covid-19 transmission shows children have a major role.

• 37 mins