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Hi, I'm Scientific American Podcast Editor Steve Mursky.

And here's a short piece from the April issue of the magazine in the section we call advances

dispatches from the frontiers of Science, Technology and Medicine.

Glacial Sprint by Catherine Kornay.

Most glaciers creep along at a pace that is, well, glacial,

but one in northern Pakistan breaks into a gallop with astounding speed and regularity.

Cortopin Glacier surges every two decades, moving roughly 1500 times its normal pace.

This sends ice tumbling into a nearby river,

damming it to create a temporary lake that can suddenly inundate nearby villages.

Now scientists in Europe have used new high-resolution satellite data to study

Kurdapan before and during its most recent surge in 2017, revealing how the event developed on a near daily basis in unprecedented detail.

The observations are critical to monitoring the glacier's hazards and could help to predict

...