Without plastic shielding between seats or more efficient engines, the environmental benefits of public transport are lost.

The R number fluctuates more as case numbers fall.

New Zealand has managed it, but densely population, highly infected countries face a bigger challenge.

Worried you won't be understood while wearing a mask? Don't be. We studied how people sound while talking through fabric and the results are encouraging.

Human encroachment on the environment is increasing the threat of diseases like COVID-19, but spending more time in nature could also be part of the solution to this pandemic.

Germany's resurgent R number is largely down to a localised outbreak.

Neuroscientist Karl Friston claims generative modelling techniques produce more valid predictions than conventional models, but the evidence so far is limited.