Go on a short trip, just bring the left and right arrows and turn up the sound on your computer. Ranking the planets: Too hot, too rocky or too many humans, perhaps? Comparing male and female incomes in American households. And Californians can sleep better knowing that the state finally has an official state dinosaur.


Photo: Images of the Red Planet are transmitted to Earth by unmanned vehicles in the IMAX feature “Roving Mars.” (Bay Area News Group archives)

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