Every winter, as the air sharpens and scarves return to shoulders, an old visitor also makes a reappearance: the flu. It ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Sean Anthony Eddy via Getty Images A microscope’s job is to magnify the minuscule world ...

A microscope’s job is to magnify the minuscule world around us. We can observe the tiniest objects, organisms and materials, and investigate their form, texture and composition, to witness what would ...