The Academy of Natural Sciences Museum’s dinosaur skeleton exhibits have been popular with generations of children, since they first were exhibited in 1868. Andrew Stelzer for NPR
Andrew Stelzer for NPR
PHILADELPHIA — Every weekend for the past month, the sidewalk in front of the Natural Academy of Sciences has simultaneously felt like a festival, a funeral, and a science fair.
On the Museum’s final Friday, there was a line of attendees waiting to get
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