France has thousands of kilometres of disused railway tracks which are too costly to renovate for heavy, modern trains. But one startup has devised an alternative solution to put them back into use.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

These guides will help you find your way around several generations of Microsoft’s Office apps for Windows — and Windows itself. Need to get up to speed on the latest features in Excel? Wrestling with ...