'Metabolic trick' in squirrels' guts could help astronauts in deep space: researcher

In this June 18, 2017, file photo, thirteen-lined ground squirrels congregate near the ninth hole during the fourth round of the U.S. Open golf tournament at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip, File) In this June 18, 2017, file photo, thirteen-lined ground squirrels congregate near the ninth hole during the fourth round of the U.S. Open golf tournament at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip, File)

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Decision to ban Huawei and ZTE from 5G wasn't easy, PM Trudeau says

On the heels of news that Canada is banning Huawei Technologies and ZTE from participating in the country’s 5G wireless networks, Prime Minister Justin Trudeau said the decision wasn't easy to make. The prime minister also defended the timing of the decision, saying that while it will be years before all use of products from these Chinese companies will be outlawed, it's happening before the country is even more interconnected by the next-generation telecommunications infrastructure.

Russia claims to have taken full control of Mariupol

Russia claimed to have captured Mariupol on Friday in what would be its biggest victory yet in its war with Ukraine, following a nearly three-month siege that reduced much of the strategic port city to a smoking ruin, with over 20,000 civilians feared dead.

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