简介：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。

简介：　　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 sh

简介：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

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简介：　　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 sh

简介：　　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 froze

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

简介：　　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 broth

简介：　　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