Exciting news: metro.news has merged with metro.co.uk! That means that as well as keeping up with all the latest news and features you love from Metro Newspaper you’ll also be joining the 23 million ...

Sleep is the balm that soothes and restores after a long day. Sleep is largely driven by the body’s internal clock, which takes cues from external elements such as sunlight and temperature. The body’s ...

Cells of a multicellular organism are genetically homogeneous but structurally and functionally heterogeneous owing to the differential expression of genes. Many of these differences in gene ...

Happy New Year! My New Year’s resolutions this year are . . . well . . . simply not to have any resolutions at all – at least, none that will cause me stress in an effort to fulfill them. Since ...