Nearly 200 Bangkok schools close over air pollution

Air pollution forced nearly 200 schools in Bangkok to close on Thursday, local authorities said, as officials urged people to work from home and restricted heavy vehicles in the city.

Aftershock analysis challenges world's deepest earthquake claim

The magnitude 7.9 Bonin Islands earthquake sequence in May 2015, which ruptured deep within the earth near the base of the upper mantle, did not include an aftershock that extended to record depths into the lower mantle, ...

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