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The Speed of Change

From the perspective of a human perched in orbit on the International Space Station, the sun appears to rise and fall every 45 minutes. With continents rolling below in fleeting day and night, astronauts report that the passage of time can feel strangely warped.   To those spacefarers hurtling past the whole of civilization, skipping from dawn to dusk and back again, the relentlessness of change and the transience of all things must be palpable. One need not be in… READ MORE >

Humans, Mars and the Solar Ecosystem

Imagine that you have been transported 3.5 billion years into the past. Somewhere on a young planet Earth, you find yourself standing by the edge of a warm tidal pool. In it, life has just taken shape for the very first time on this world, and perhaps anywhere. As the result of circumstances that we still do not fully understand, non-living matter has somehow joined together in just the right way to generate a living system. You are witness to… READ MORE >