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Inge Lehmann’s 127th Birthday

Seismologist Lucy Jones told reporters at Caltech on Tuesday night that the system sent out a warning to her location in Pasadena three seconds before the shaking began to be felt there. The amount of…











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Where’s the Map?

Fact Check of the DayPresident Trump asserted that Puerto Rico’s power utility was “dead” and that electricity was “gone” even before Hurricane Maria hit the island in September 2017. The utility was in disrepair but…