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The money-losing Three Mile Island, the 1979 site of the United States's worst commercial nuclear power accident, was shut down Friday by its energy giant owner. The end of the 45-year electricity-producing career of Three Mile Island Unit 1 came after Chicago-based Exelon Corp. Source

BERLIN -- An international team of researchers set off Friday on the biggest and most complex expedition ever attempted in the central Arctic, a yearlong journey they hope will sharpen the scientific models that underpin human understanding of climate change. Source

A Canadian IT consultant is raising the alarm after he says he found some sensitive software code belonging to Scotiabank on a popular online file-sharing repository. Jason Coulls says he found source codes and access keys for some of the bank's internal systems while searching on GitHub, a popular online tool for software programmers that allows them to share information and collaborate on projects. Source

In this April 11, 2018, file photo, Facebook CEO Mark Zuckerberg testifies before a House Energy and Commerce hearing on Capitol Hill in Washington about the use of Facebook data to target American voters in the 2016 election and data privacy. Source

SAN FRANCISCO -- Facebook says it has suspended tens of thousands of apps made by about 400 developers as part of an investigation following the Cambridge Analytica scandal. Starting in March 2018, Facebook started looking into the apps that have access to its users' data. Source

This is a page from Philip Henry Gosse's Entomologia Terrae Novae.(Francesca Swan/CBC) It hasn't been seen in Newfoundland since 1835. Full of exquisite illustrations by a visiting amateur naturalist, Entomologia Terrae Novae was his attempt to chronicle the insect life of Newfoundland. Source

The city of Stratford agreed to pay an attacker more than $75,000 worth of Bitcoin in exchange for decryption keys to unlock its information systems following an April cyber attack. According to an information update on the Stratford website, the city paid the attacker 10 Bitcoin — a digital form of currency — which was then valued at $7,509.13 each. Source

A Norwegian company says it has navigated the first hybrid-powered cruise ship through the Northwest Passage using a combination of massive batteries and diesel engines. The company claims it's the first time a vessel of its kind and size has sailed the route. Source

Instagram announced a new policy that will block, and sometimes remove, content promoting weight-loss or cosmetic procedures to younger teens. Users known to be under 18 will now be blocked from seeing posts promoting the use of certain weight-loss products or cosmetic procedures and those that have an incentive to buy or includes a price. Source

There are nearly three billion fewer birds in Canada and the United States than there were half a century ago, a new study estimates. It counted a loss of 2.9 billion birds compared with 1970, which represents a population decline of 29 per cent and an "overlooked biodiversity crisis," said the report published Thursday in the journal Science. Source