Bear drops into the swamps of Florida's Everglades, where at least 60 tourists need to be rescued each year. He trudges through the swamp and shows how to construct shelter, deal with razor-sharp sawg...

　　Tory and Tommy see some serious kaboom action and meet the trained professionals who get to detonate all kinds of things every day....

　　We live in a world where we are being constantly watched and monitored. What would it take to wipe the slate clean and live a life free of big brother? Security expert Aton Edwards takes the viewer ...

　　闹钟。个人电脑。智能手机。收音机。你知道最伟大的小工具（你可能拥有的大部分），但这已经改变了世界，比任何其他的？让我们列出的101，小工具必须是你能拿在手中，机械或电子，和大批量生产的私人物品。　　小工具的历史是发明的历史和人类生活的历史。什么人不记得当他掌握了iPhone，瑞士军刀，或随身听吗？当他们个人的里程碑，小工具可以改变历史的进程。如何创建摇滚晶体管收音机或录音带，推翻伊朗国王？大众...

玛雅日历转盘曾预测在公元2012年12月21号，将有一颗外太空流行撞击地球毁灭世界，同时世界各地核子发生爆炸，地球将陷入灭顶之灾。...

Part 2 of 2. In Patagonia, Bear skins a hare, scales a cliff, tracks a puma, drinks dirty water, and crosses the Perito Moreno glacier, a vast frozen labyrinth of ice caves and crevasses....

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