OPINION: It seems obvious: if we are tolerant of people who are different from us, then our friends should come from all sections of society, our neighbourhoods should include people from all different races and our workplaces should have a good balance of men and women.
Smartphones and tablets can be equipped with an app that can help detect potentially blinding deteriorations of the eye. This can even be much more effective than traditional vision tests, according to a Swedish study.
A new study indicates that current climate models overestimate the stability of a vital ocean circulation in the North Atlantic. A breakdown could mean a “chaotic” climate in the Nordics, say scientists.