timothy from the isn't-that-what-got-men-at-work-sued? dept.
SpamSlapper writes "Australia's ABC Science reports that ancient zircon crystals discovered in Western Australia have been positively dated to 4.374 billion years, confirming their place as the oldest rock ever found on Earth, according to a new study. The research reported in the journal Nature Geoscience, means Earth began forming a crust far sooner than previously thought, following the giant impact event which created the Earth-Moon system 4.5 billion years ago."
The algorithm for finding the longest path in a graph is NP-complete.
For you systems people, that means it's *real slow*.
-- Bart Miller