She shrugged and, after a moment's thought, turned the question in on itself.

NPR: One Boy's Heroism in the Face of AIDS

Testing them is difficult for anyone but the manufacturer, who may not as yet have given the millennium a moment's thought.

ECONOMIST: Please panic early

It would be an understatement to say there's been a long build-up to the moment when Voyager 1 ventures into interstellar space: scientists thought the probe was on the edge back in 2010, and we've been waiting for the official milestone ever since.

ENGADGET: AGU study says Voyager 1 has reached interstellar space, but NASA remains skeptical