25 August 2020
The US Food and Drug Administration has granted an emergency authorisation to use donated blood plasma from covid-19 survivors to treat the disease, but the evidence that it works is lacking
25 August 2020
A man appears to have caught two lineages of the coronavirus around four and a half months apart, suggesting people can be reinfected with the virus after making a recovery – but there is much we still don't know
9 April 2020
The advice on widespread face mask use to protect against covid-19 varies wildly, but there is some evidence that they stop sick people spreading the virus
23 March 2020
The UK government has published details of the scientific advice behind its strategies to tackle the covid-19 outbreak, but outside experts say it is missing key points and hasn't been implemented properly
5 March 2020
Researchers in China say there are two strains of the new coronavirus, one of which is more aggressive – but the World Health Organization says the virus is stable
7 February 2020
23andMe and Ancestry are laying off staff as sales slump – but there’s plenty of profit to be made from their huge DNA databases
10 July 2019
The 'Big Five' model of personality is widely used, but it turns out it doesn't work for people in low- and middle-income countries, or even just older people in the West
1 March 2018
Researchers propose splitting diabetes into five subtypes instead of the current type 1 and type 2 diagnoses. It may help, but we need to know much more
22 February 2018
Apps want to disrupt public transport by creating “innovative” services that look suspiciously like buses, but real-time data could make for a better ride
2 February 2018
I'm pregnant and sick of confusing advice about whether painkillers can harm developing fetuses - what should women like me do?
