Space
NASA asked for help in reformulating its Mars exploration strategy. Boy did it get it.
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Animals
When creatures made their way onto land for the first time, it wasn't pretty.
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Health
Different mutations in the same gene are responsible for two polar-opposite diseases.
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Environment
It took at least 10 million years for Earth to get back on track after losing 90 percent of its species.
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Technology
Google shows how its augmented reality glasses can capture video of life in motion.
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Culture
When politics are tied to morals, debates aren't disagreements, they're treason.
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