Why Covid -19 vaccines may not stop transmission

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

• 75 mins

Are children the biggest Covid-19 spreaders?

Are children are spreading the virus more than any other group

• 70 mins

Do Covid–19 mutations matter?

Results from the most detailed investigation to date into mutations in the Covid-19 virus

• 70 mins

Covid -19 mortality

Why is there such a range in the number of deaths from Covid -19 between countries?

• 68 mins

Nasa probe Osiris Rex lands on asteroid

Science news and highlights of the week

• 60 mins

Osiris Rex stows asteroid material

Science news and highlights of the week

• 63 mins

Coronavirus spreads from mink to humans

What does transmission of coronavirus from mink to humans mean for the future vaccine?

• 59 mins

Covid-19 defeats US Marines

The virus spread amongst recruits despite a range of thorough precautions

• 66 mins

Covid- 19 – Good news on immunity

Immunity to the virus may last longer than previously thought

• 63 mins

Vaccines – the Covid confusion

The problems with incomplete or contradictory trial data published by press release.

• 64 mins

Freak weather getting even freakier

This year has seen record-breaking Atlantic hurricanes, and now an Australian heatwave

• 66 mins

The unchecked spread of Covid-19 in Manaus

Around three-quarters of the city’s population are thought to have been infected

• 55 mins

Covid -19 – Mutations are normal

Viral mutations happen all the time but we still need to be wary of their impact.

• 67 mins

A year with Covid -19

Looking back on how the virus emerged and the scientific response

• 53 mins

Coping with Covid

Making sense of a year of confusion

• 52 mins

New variants of SARS-Cov2

SARS-Cov2: UK and South African new variants

• 53 mins