Humans have been living, working and conducting science experiments on the International Space Station for nearly 20 years -- but even this feat of engineering needs upgrades sometimes, like a new ...

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Add Yahoo as a preferred source to see more of our stories on Google. Get a headset: That’s what I’ve been telling people for the last year. As film festival screenings and parties devolved into ...

The vestibular system is a network of organs in the inner ears that detects the motions and position of the head. The brain uses this information, along with inputs from the eyes and joints, to ...