If the axis-tilt theory had been refuted, 倘若“地轴倾斜”理论被观察否定了 its defenders would have had nowhere to go. 它的支持者们就无路可退了 No easily implemented change could make that tilt 没有什么信手拈来的变动能让地轴的倾斜 cause the same

TED Technology, Entertainment, Design在英语中的缩写，美国的一家私有非营利机构，以它组织的TED大会著称；将"用思想的力量来改变世界"作为宗旨。事实上，除了科技、娱乐、设计的主题，这场盛会涉及的领域还在不断扩展，展现着涉及几乎各个领域的各种见解，TED的演讲简短且深刻，参加者们称它为 “超级大脑SPA”。 Hello. My name is Birke Baeh

Since when did animals start providing us with our moral standards, particularly in the area of sex? 从什么时候开始，我们的道德标准是由动物来提供的？特别是性的道德这个领域。 I mean, think about this. ok. 我们想想。 Animals don't become s

That was me in front of our house in Monson, Massachusetts last June. 那个就是我，在麻省的Monson，我们的房子前面， After an EF3 tornado ripped straight through our town and took parts of our roof off, 一股EF3级龙卷风袭击了这里，掀翻了

For the West (in general), and the United States in particular，the crisis was an internally generated event, which led to the collapse of the financial system. For China, it was an external shock whic