人體的十大奇異特徵(上)
Have a New Stomach Lining Every 3 to 4 Days!
10.每3至4天就會產生新的胃粘膜Your stomach is something of a marvel of engineering, taking in the food you eat and breaking it down into its components parts (minerals, proteins and so forth) before sending all these nutrients off around the body to where they can do the most good. The stomach lining has many purposes, the most important of which are to help with the digestive process (by secreting the substances needed to break down the food) and to protect the rest of the body from the highly acidic environment inside the stomach. We all know that feeling of being too full, but few of us understand that this stretching is possible thanks to the folded and almost pleated surface of the stomach lining. These wrinkles are called rugal folds. If the lining was not under almost constant maintenance and renewal, it would not take long for the structure of the lining to begin to break down and for the super-strong acids to begin to digest it!
人類的胃簡直是工程學上的奇蹟——它吸收人們吃的食物，並將其分解成所需成分（如礦物質、蛋白質等等），然後將這些營養物質輸送到人體各個部分使其發揮最大作用。胃粘膜有許多用途，其中最重要的就是幫助實現食物的消化（悄悄分泌分解食物所需的物質）和保護身體的其他部位免受胃部強酸性環境的侵蝕。我們都知道吃撐了的感覺，但是很少人知道這種撐的感覺是原本帶有褶皺的粘膜層在胃被食物充滿後褶皺變爲低平或者消失的緣故。這些褶皺被稱爲“皺襞”。如果胃粘膜沒有時常進行自我維護與更新，在胃酸的腐蝕下，胃壁的各層結構都會很快崩塌。
Nose?
9.靈敏的鼻子
While we all know that dogs have incredibly sharp noses, it is not so well-known that we humans are not so bad at sniffing things out ourselves! The human nose can identify or recognise about 50,000 different smells. Interestingly, women tend to be better smellers than men, with scientific studies showing that women could actually identify differences between the smell of the sweat of healthy people and those suffering from cancer. Scientists have also found that the left nostril tends to be better at picking up stray scents than the right-hand-side one!
大家都知道狗鼻子異常靈敏，卻不知道其實人類的也不差。人類的鼻子可以識別約50000種不同的氣味。有趣的是，女性在這方面甚至比男性更勝一籌，科學研究表明女性可以準確辨識健康人羣的汗味跟罹患癌症的病人的汗味。科學家們也發現左鼻孔辨識氣味的能力要比右鼻孔強！Crawlers
8.皮膚上的細菌
Every square inch of your skin has 32 million bacteria on it, right now! Okay, stop scratching or planning to rush off for a boiling hot disinfectant bath; it is completely normal and – fortunately – most of them are harmless or even necessary for our continued good health!
就在此時此刻，你皮膚上的每平方英寸就有3200萬個細菌！哎，千萬別想着用手撓，也別想着用滾燙的洗澡水給自己消毒。人的皮膚上有這麼多細菌是很正常的，而且值得慶幸的是，在這些細菌中，大多數都是無害的，有的甚至是我們保持健康所必需的！uctive Feet
7.汗腺發達的腳丫子
Your feet alone have 500,000 sweat glands on then and can produce up to a pint of sweat per day! This is why many feet find food odour to be a problem, especially when their feet are hot and confined to waterproof shoes for long periods of time. However, it is not the sweat that creates that pungent and cheesy smell – that comes from those millions of bacteria on your skin interacting with the sweat! If foot odour is a problem for you try sprinkling a teaspoonful or so of bicarbonate of soda (straight-forward baking powder) inside your shoes. The powder will absorb and neutralise the smell, sparing your blushes when you ease your shoes off under your desk.
光是你的一隻腳上就有50萬個汗腺，它們每天可以分泌一斤汗液！這就是腳臭的原因，特別是當天氣熱、腳又長期處於不透氣的防水鞋裏時，這個問題尤爲明顯。不過汗液並不是產生這種刺鼻氣味的原因，真正的原因是你皮膚上數以萬計的細菌與汗液的相互作用。如果你有腳臭的困擾，可以試着往你的鞋裏倒一茶匙左右的小蘇打（發酵粉）。小蘇打可以吸收和中和腳臭，這樣你在桌子下面脫鞋的時候，就不會那麼尷尬了。Are Made of 7,000,000,000,000,000 Atoms!
6.你由7,000,000,000,000,000個原子組成
That is 7 quadrillion in US terms or 7 thousand billion in old UK terms (a billion has shrunk over the years, mysteriously dropping three zeroes from 1,000,000,000,000 (12 noughts) to 1,000,000,000 (9 noughts – one wonders if the Treasury noticed when this happened!). Figures this large are simply too big for us to comprehend (it would take more than your lifetime, your child's lifetime and even your grandchild's lifetime to count even a fraction of your atoms (assuming you could see them easily enough!) and it seems incredible that humans, seemingly so solid and large, are in fact made up of tiny, tiny pieces of matter in this way!
按照美國標準，這這一數字表示七萬億；然而按照原來的英國標準，它表示7000個十億。隨着時代的進步，一億的大小已經萎縮，從原來的1,000,000,000,000（12個0）到現在的1,000,000,000（9個0），神祕地丟掉了三個零。一定有人好奇，不知財政部是否注意到這一點。如此巨大的天文數字可能很難理解，即使你可以輕易辨別每個原子，你也很難在你的有生之年數清你身體某一部分的原子個數，或許加上你孩子和孫子的一生也不夠。同時，你也很難相信看上去如此堅固和強大的人類，是由如此微小的組成的。審校：晃晃 編輯：Candy 來源：前十網
