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Jakobshavn Isbrae: Mighty Greenland glacier slams on brakes

Jakobshavn Isbrae: Mighty Greenland glacier slams on brakes

Science
European satellites have detailed the abrupt change in behaviour of one of Greenland's most important glaciers.In the 2000s, Jakobshavn Isbrae was the fastest flowing ice stream on the island, travelling at 17km a year.As it sped to the ocean, its front end also retreated and thinned, dropping in height by as much as 20m year.But now it's all change. Jakobshavn is travelling much more slowly, and its trunk has even begun to thicken and lengthen."It's a complete reversal in behaviour and it wasn't predicted," said Dr Anna Hogg from Leeds University and the UK Centre for Polar Observation and Modelling (CPOM)."The question now is: what's next for Jakobshavn? Is this just a pause, or is it a switch-off of the dynamic thinning we've ...
If you are donating a car to charity, pump the brakes and be sure to take these 8 steps

If you are donating a car to charity, pump the brakes and be sure to take these 8 steps

Finance
Thinking of donating your clunker to charity for a nice tax deduction? Proceed with caution.The gifting of used cars to "charities" has become a favorite way for Americans to dispose of unwanted vehicles. And why not? You can avoid the headache of selling or junking the car, help a charitable cause and lower your tax burden all at the same time.Unfortunately, the experience is rarely, in reality, such a win-win situation. Not only do charities typically see little of the proceeds from a used car sale, but donors can run afoul of the taxman if they're not careful."At the end of the day, donating a used car could be the least cost-effective way to give to a charity," said Stephanie Kalivas, an analyst with CharityWatch, an organization that monitors the charitable giving industry.The problem...