As technology and common sense grow better at assessing the potential threat posed by everyday objects, restrictions are slowly easing.

A half-dozen teenagers noisily crawled on their hands and knees through a dark, empty building. Large steel tools clanged off the walls and floors, alarm bells beeped and blared ...

The two animals chosen as the mascots of the Olympic and Paralympic Winter Games are stoats, a weasel-like animal that’s at risk because of climate change.