Science

On 2 September, German Chancellor Angela Merkel revealed that Alexei Navalny, a Russian opposition politician, had been poisoned with a nerve agent “identified unequivocally in tests” as a Novichok—one of a family of exotic Soviet-era chemical weapons. Merkel, a chemist by training, did not reveal the nature of the tests, […]

The texts were written on silk and buried in a tomb.

A man is three times more likely to give a high antibody unit of plasma than a woman, partly because men tend to be more seriously affected by COVID-19.

As the world warms, many species of plant and animal will have to find new—often cooler—places to live. But things are trickier for sedentary marine creatures like snails, worms, and clams, according to a new study. It finds that in the Northwest Atlantic Ocean, many species are spawning earlier in […]

It’s one of the oddest tenets of quantum theory: a particle can be in two places at once—yet we only ever see it here or there. Textbooks state that the act of observing the particle “collapses” it, such that it appears at random in only one of its two locations. […]

It’s not clear whether colds could also stave off infection with COVID-19.

The Arctic wildfire season has been the worst since record-keeping began.

Researchers said their 17-year-long study suggests that cutting down, or combining fewer cigarettes with vaping, is no substitute for quitting.