Five years ago, the covid-19 pandemic was getting under way – but we didn’t know it yet. So, what exactly happened? Many ...

EEG recordings used in neurology could be made simpler by replacing the usual electrodes, wires and gels with a tattoo ...

Users of the healthcare app Alan whose queries were answered by a medical AI reported high satisfaction levels, but one ...

From Alzheimer's disease to depression to heart disease, Ozempic and other GLP-1 agonist drugs appear to offer a solution.

Plate tectonics seems to be crucial for life on Earth, but we’ve never confirmed that it happens on other worlds - that may ...

The last two years have seen unprecedented falls in the levels of sea ice around Antarctica, which serves as a protective ...

The content you see on social media is often determined by an algorithm - and it turns out that these algorithms can rapidly ...

Our organs don't seem to age at the same rate, which could mean healthy habits are particularly important at certain times of ...

Footprints preserved on the shore of Lake Turkana in Kenya seem to be from two ancient human species, showing they lived ...

Physicists have long wondered why particles can only have an electric charge of +1, -2 or any whole number. Now we ...

Reperfusion technologies that can reanimate human brains are raising the possibility that death could be a reversible ...

From a scientific take on screen time to nuclear war, a look at why we age to the future of our oceans, our writers pick ...