Evacuating Yellowstone would never be easy. 撤离黄石公园不会是一件容易的事。 The park gets some three million visitors a year, mostly in the three peak months of summer. 公园每年吸引着大约300万名游客,主要是在夏季3个
Once it is in place, the idea is that three people, 计划问世以后,打算这么做:3个人, Christiansen in Menlo Park, California, Professor Robert B. Smith at the University of Utah, and Doss in the park, 加利福尼亚门洛公园的克里
Eighty million tons of rock, moving at more than one hundred miles an hour, just fell off the mountain, 8000万吨岩石以每小时160公里的速度从山上崩塌下来, traveling with such force and momentum that the leading edge of the landsli
That nine hundred years is an averageand a somewhat misleading one. 900年是个平均数字也是个会让人产生错觉的数字。 According to Robert B. Smith and Lee J. Siegel in Windows into the Earth, a geological history of the region, 罗伯特
We have absolutely nothing to compare it to. 我们绝对没有任何东西可以用来与它比较。 The biggest blast in recent times was that of Krakatau in Indonesia in August 1883, 近代最大的一次是1883年8月印度尼西亚的喀拉喀托
However, when at length they emerged into the fresh air of a London evening, 然而,当他们最后走进伦敦夜晚的新鲜空气里的时候, the bubbles sprang instantly to fizziness, memorably enlivening the digestive process. 气泡立刻泛
Like Earth itself, I remarked. Precisely, he agreed. 就像地球本身一样。我说。一点不错。他表示赞同。 The risks at Yellowstone apply to park employees as much as to visitors. 黄石公园对游客来说有危险,对公园雇员来
It's a kind of genetic photocopying, and it became the basis for all subsequent genetic science, from academic studies to police forensic work. 这一种复制基因的方法后来成了遗传科学的基础,无论是对于学术研究,还是对于
Part V Life Itself 第五部 生命本身 The more I examine the universe and study the details of its architecture, 我越是审视宇宙,越是研究其构造上的具体细节, the more evidence I find that the universe in some sense must have
On land, if you rose to the top of a five-hundred-foot eminenceCologne Cathedral or the Washington Monument, say, 在陆地上,要是你爬到150米的高处比如科隆大教堂或华盛顿纪念碑, the change in pressure would be so slight as
In the days of diving suitsthe sort that were connected to the surface by long hoses, 在使用潜水衣即用长管子连接水面的那种装备的年代, divers sometimes experienced a dreaded phenomenon known as the squeeze. 潜水员有时候会
If the pressure is changed too rapidlyas with a too-quick ascent by a diver, 要是压力变化太大比如潜水员上升太快, the bubbles trapped within the body will begin to fizz in exactly the manner of a freshly opened bottle of champagne, 体
His idea of a vacation was to travel to Cornwall to study hookworm in miners. 去康沃尔研究矿工们的钩虫病算是他的假日。 Aldous Huxley, the novelist grandson of T. H. Huxley, who lived with the Haldanes for a time, T.H.赫胥黎的孙
Throughout his youth, the young Haldane helped his father with experiments. 在整个年轻时代,小霍尔丹一直是他父亲做实验的帮手。 By the time he was a teenager, the two often tested gases and gas masks together, taking turns to
It has been suggested, not altogether cynically, that this was out of a purely contrarian instinct, 有人认为。而且不完全是挖苦地认为,这纯粹是出于一种敌对的本能。 and that if he had been born in the Soviet Union he woul
Collapsed lungs were a routine hazard. 肺部坍缩是常有的危险, Perforated eardrums were quite common, but, as Haldane reassuringly noted in one of his essays, the drum generally heals up; 鼓膜穿孔也是家常便饭,但霍尔丹在一篇
Under its influence divers had been known to offer their air hoses to passing fish or decide to try to have a smoke break. 据知,在氮的影响下,潜水员会把自己的空气管扔给从身边游过的鱼,或决定抽支烟歇息片刻。
In terms of adaptability, humans are pretty amazingly useless. 就适应能力而言,我们人类是很没有本事的。 Like most animals, we don't much like really hot places, but because we sweat so freely and easily stroke, we are especially v
So far space scientists have discovered about seventy planets outside the solar system, 据认为,外层空间有10亿亿亿颗行星。 out of the ten billion trillion or so that are thought to be out there, so humans can hardly claim to speak wit
We have managed once, briefly, to send humans to that depth in a sturdy diving vessel, yet it is home to colonies of amphipods, 我们只有一次用坚固的潜水器成功地把人送到了那个深度,而且就一会儿,而那里却是端足目动
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- 万物简史 第198期:威力巨大的原子(12)
- 万物简史 第251期:大地在移动(5)
- 万物简史 第244期:马斯特-马克的夸克(16)
- 万物简史 第245期:马斯特-马克的夸克(17)
- 万物简史 第246期:马斯特-马克的夸克(18)
- 万物简史 第523期:丰富多彩的生命(19)
- 万物简史 第524期:丰富多彩的生命(20)
- 万物简史 第525期:丰富多彩的生命(21)
- 万物简史 第526期:丰富多彩的生命(22)
- 万物简史 第185期:爱因斯坦的宇宙(28)
- 万物简史 第197期:威力巨大的原子(11)
- 万物简史 第515期:丰富多彩的生命(11)
- 万物简史 第516期:丰富多彩的生命(12)
- 万物简史 第517期:丰富多彩的生命(13)
- 万物简史 第518期:丰富多彩的生命(14)
- 万物简史 第519期:丰富多彩的生命(15)
- 万物简史 第522期:丰富多彩的生命(18)
- 万物简史 第521期:丰富多彩的生命(17)
- 万物简史 第520期:丰富多彩的生命(16)
- 万物简史 第184期:爱因斯坦的宇宙(27)
- 万物简史 第198期:威力巨大的原子(12)
- 万物简史 第251期:大地在移动(5)
- 万物简史 第244期:马斯特-马克的夸克(16)
- 万物简史 第245期:马斯特-马克的夸克(17)
- 万物简史 第246期:马斯特-马克的夸克(18)