Feeling scared seems to reduce elevated levels of inflammation, which may help explain why some people enjoy a haunted ...

This sometimes copious hair obviously confers no survival benefits, say our readers, so it is unlikely to be down to evolution ...

Earth’s slowing rotation will change the length of its days, agree our readers, who disagree on how soon this will affect our ...

Rising carbon dioxide levels are driving an increase in the ocean’s acidity – and this change is sinking deeper as emissions ...