How sewage could reveal true scale of coronavirus outbreak
Wastewater testing could also be used as an early-warning sign if the virus returns.
Mathematical proof that rocked number theory will be published
But some experts say author Shinichi Mochizuki failed to fix fatal flaw in solution of major arithmetics problem.
Coronavirus lockdowns have changed the way Earth moves
A reduction in seismic noise because of changes in human activity is a boon for geoscientists.
Should scientists infect healthy people with the coronavirus to test vaccines?
Radical proposal to conduct ‘human challenge’ studies could dramatically speed up vaccine research.
Predators on track for ocean protection around Antarctica
Satellite tracking of marine predators in the Southern Ocean has revealed key ecological areas under disproportionate pressure from human activities. These results show the value of tracking data for informing conservation efforts.
Forty years of ice-core records of CO2
In 1980, a method was found to determine the amount of carbon dioxide in ancient air trapped in polar ice — providing direct evidence that CO2 is coupled to climate, and affects global temperatures in the past, present and future.
The coronavirus pandemic in five powerful charts
From papers published to carbon emissions to confirmed cases, these data reveal an unprecedented viral outbreak and its impacts around the world.
How a small nuclear war would transform the entire planet
As geopolitical tensions rise in nuclear-armed states, scientists are modelling the global impact of nuclear war.
How much is coronavirus spreading under the radar?
Three leading health officials talk about gauging the size of local outbreaks, and why containment strategies aren’t futile yet.
Labs rush to study coronavirus in transgenic animals — some are in short supply
Mice originally bred for SARS research are in high demand.