Word: thickness
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Barber was aboard the Canadian research icebreaker Amundsen, checking on ice in the Beaufort Sea north of Alaska and Western Canada. The ship was well inside a region the satellites said should be choked with thick, multiyear-old ice. "That's pretty much a no-go zone for an icebreaker of the Amundsen's size," says Barber. But the ship kept going, at a brisk 13 knots - its top speed in open water is 13.7 knots - and even when it finally reached thick ice, he says, "we could still penetrate it easily...
...short, as Barber and his colleagues explain in a recent paper in Geophysical Review Letters, the analysis of what the satellites were seeing was wrong. Some of what satellites identified as thick, melt-resistant multiyear ice turned out to be, in Barber's words, "full of holes, like Swiss cheese. We haven't seen this sort of thing before." (Read "Arctic Mystery: Identifying the Great Blob of Alaska...
...Inside the camp, Israel ambles through the thick snow with no gloves on a 2°F day, pointing to the sparse bunker where he slept crammed together with other prisoners on tiny bunks. Then, next to the railroad tracks, he spots the location where the "selection" process took place. This was where Nazi officers separated those deemed able to work from the other new arrivals, most of whom were immediately taken to the gas chambers. Israel, then 17, and his two brothers, Eli and Aaron, last saw their parents here. Within weeks, Israel's brothers would also be dead...
Take a break from those big, thick books, and revisit childhood favorites from Hans Christian Andersen to Roald Dahl. This course proves that you're never too old for a fairy tale bedtime story. Difficulty 2.6, Workload 1.8 | T., Th. 1. Link...
...those of you looking for an explanation, the short version is that the river is moving water. So it freezes incrementally and not at all consistently. The ice may be thick in some places and not as thick in others. And it can change rapidly (during the day and overnight). So just because some idiot made it across, leaving his footprints, you might easily fall through following the same path a few hours or a day later...