Thứ Năm, 7 tháng 7, 2016

NPR News: In California, Fixing A Curb Destroyed The 'Holy Grail Of Seismology'

In California, Fixing A Curb Destroyed The 'Holy Grail Of Seismology'
One curb in Hayward, Calif., has been shifting for decades. David Schwartz, a geologist with the U.S. Geological Survey, describes how fixing the curb has affected the geology community.

Đọc thêm tại NPR
at July 7, 2016 at 03:29AM
Health & Science

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