NASA's asteroid-bound spacecraft aces instrument check

Its science instruments have been powered on, and NASA's OSIRIS-REx spacecraft continues on its journey to an asteroid. The spacecraft has passed its initial instrument check with flying colors as it speeds toward a 2018 ...

The science of diffusion and the spread of public policy

Most of us think of diffusion in the context of its scientific definition as the process whereby particles of liquids, gases or solids intermingle and in dissolved substances move from a region of higher to one of lower concentration. ...

Kepler recovered and returned to the K2 mission

The Kepler spacecraft has been recovered and, as of 8:30 a.m. PDT today, it is back on the job as the K2 mission searching for exoplanets—planets beyond our solar system.

Using data from social networks to understand and improve systems

In the course of our day-to-day lives, we produce vast amounts of data. Whether gathered through online communications platforms, tracking devices, or other sources, these data reveal information about our behavior, decisions, ...

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