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Video calls on cellphones are rapidly growing in popularity in the US. According to a new poll from the Pew Center, the number of adults making video calls has tripled over the last three years, rising from seven percent to 21 percent. Currently, about 91 percent of US adults have cellphones — …
A spacecraft from Earth has left its cosmic backyard and taken its first steps in interstellar space, NASA says.<p>After streaking through space for nearly 35 years, NASA's robotic Voyager 1 probe entered interstellar space in August 2012, a study published Thursday in the journal Science …Astronomy
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