Astronauts ventured outside the International Space Station to do repair work, but lost a bag of tools they had taken along. It is not uncommon for the occasional bolt or single tool to be lost.

So many things these days are made to look at later. Why not just have the experience and remember it?

The Dow Jones industrial average yesterday pierced the planet’s core and reappeared hours later in the city of Xian in the Shaanxi region of central China, where it enjoyed a meal of dumplings and hacked chicken and watched a performance of traditional dances by local school children, on fears that financial news writers, having exhausted every possible metaphor to describe its endless downward trend, would simply stop writing about it.