Natural Disasters
Tonga Volcano Eruption Created Puzzling Ripples in Earth’s Atmosphere
Powerful waves ringing through the atmosphere after the eruption of Hunga Tonga–Hunga Haʻapai are unlike anything seen before
Stories by David Adam
Public Health
How Dangerous Are New, Fast-Spreading Coronavirus Variants?
Key questions remain about how quickly B.1.617 variants can spread, their potential to evade immunity and how they might affect the course of the pandemic
Policy
How a Data Detective Exposed Suspicious Medical Trials
Anaesthetist John Carlisle has spotted problems in hundreds of research papers—and spurred a leading medical journal to change its practice
Biotech
A Father’s Fight
Nick Sireau’s quest to give his sons weed killer could help thousands struggling with rare genetic conditions
