Analytical Chemistry

Pathogenic sensor's surprising capabilities revealed

Rice University synthetic biologists have developed a new way to study a sensory system that salmonella, E. coli and other pathogens use to sicken millions of people each year.

Vaccination

Londoners receiving AstraZeneca jab dismiss fears

Londoners receiving the Oxford/AstraZeneca vaccine on Tuesday dismissed concerns about its potential risks, after several countries suspended its use due to fears about blood clots.