Science and technology

Associated Press
FILE - In this June 15, 2002 file photo, a 14-meter (46-foot) long, 4-meter (13-foot) high life-size model of a Tyrannosaurus rex dinosaur is transported through the streets of Frankfurt to the Senckenberg Museum. When the authors of a study examined depictions of the animal, they found that popular dinosaur books have generally gotten the posture right since 1990. But they also found that an upright posture has remained popular in pop culture items like toys, games, cookie cutters, clothing, comics and movies. (AP Photo/Bernd Kammerer)

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