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Hard Risks: Concussions in Sports, From the Boxing Ring to the Gridiron | Retro Report on PBS

Hard Risks: Concussions in Sports, From the Boxing Ring to the Gridiron | Retro Report on PBS

♪♪ -Every autumn Sunday, football’s bone-shattering hits unhinge NFL players across the country. -Over the past several years, the National Football League has been shaken by the controversy over the long-term impact of concussions. -In a surprise announcement, star 49ers linebacker Chris Borland says he’s retiring from the NFL, after just one season. -Around training …

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Crocodiles hunting the gnu – Wildlife in Serengeti EP03, #02, 누우 포식하는 악어들

Crocodiles hunting the gnu – Wildlife in Serengeti EP03, #02, 누우 포식하는 악어들

One of the most difficult parts of making this documentary was filming the crocodiles hunting the gnus that came to drink water. The first thing we had to do was to find the place where the gnus go for water. But even the locals said it is difficult to expect where in this long river …

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Can Iceland’s Wilderness be saved? – This World Can: Conserve & Protect

Can Iceland’s Wilderness be saved? – This World Can: Conserve & Protect

is this the end for Iceland’s magnificent untamed wilderness currently there are energy companies and corporate interests pushing for the right to build power plants high voltage pylons and potentially most destructive of all a number of new dams past damning projects in Iceland have submerged vegetation destroyed waterfalls eroded river beds and banks and …