日期:2020-05-08 你知道嗎?你經常用的智能機能源消耗比你家里的冰箱還要多。 What do you think are the biggest energy users in your home? Your list most likely includes your A.C., fridge, washing machine, etc. But you would be surprised to know that your smart phone is... 閱讀全文>>

日期:2020-05-08 Everybody knows these four tastes: sweet, sour, bitter, and salty. But did you know there was a fifth one? Well, dont feel too bad; it wasnt even recognized by the scientific community until the eighties. The fifth taste is called umami (鮮味), wh... 閱讀全文>>

日期:2020-05-07 The cherry-tree is a small tree which grows to a height of about twenty feet. Its stem is covered with a smooth brown bark, and its green leaves have saw-like edges, somewhat like the leaves of a rose-bush. 櫻桃樹是一種可以生長到20英尺左右高的小樹。... 閱讀全文>>

日期:2020-05-07 All through the summer, and during spring and autumn as well, our meadows and waste places are thickly dotted with the bright-yellow flowers of the common weed called the dandelion. And even throughout the winter the leaves of this hardy plant remai... 閱讀全文>>

日期:2020-05-07 Have you ever seen a hive of bees? Some hives are made with glass sides, through which we can see all that the bees are doing. 你有沒有看到過蜂箱? 有些蜂箱的側面是玻璃的, 你可以透過它們看到里面蜜蜂的活動情況。 In early summer each perfect hive conta... 閱讀全文>>

日期:2020-05-06 孤獨不利健康絕對和肥胖一樣糟糕,可能也和吸煙一樣有害。因此,在疫情肆虐的日子里,在許多地方,人們被迫獨處,如何阻止獨處轉化為孤獨是一個緊迫的醫學問題。 Loneliness is bad for your healthcertainly as bad as being obese, and possibly as bad as being a m... 閱讀全文>>

日期:2020-05-06 You may have heard the name Michelin because its related to Michelin tires. 你或許聽過米其林這個名字,因為它和米其林輪胎有關。 See, in the year 1900, the tire manufacturers Andre and Edouard Michelin?created something called a Michelin Guide. 1900年... 閱讀全文>>

日期:2020-04-26 研究人員已經知道,全球各地的女性壽命都比男性長?茖W家們認為,男女預期壽命差異很大程度上與生物學上的生存因素有關。 Researchers already know that women live longer than men in all parts of the world. Scientists have largely linked the difference in li... 閱讀全文>>

日期:2020-04-23 In many ways, plastic is the perfect materialwe can make it strong and rigid enough to build spaceships and replace bones, or thin and flexible enough to make shopping bags that weigh as much as a nickel but carry up to eight kilograms. And unlike o... 閱讀全文>>

日期:2020-04-21 袋鼠在澳大利亞很常見的動物。它們有強有力的后腿,大大的腳更適合跳躍,還有一條長長的尾巴保持平衡,以及一個比較小的頭。 Kangaroos are endemic to the country of Australia. They have large, powerful hind legs, large feet adapted for leaping, a long muscu... 閱讀全文>>

日期:2020-04-21 The earth-worm is also called the dew-worm, because it likes to come out of its hole and creep about when the grass is wet with dew. It is a very long and thin animal, being often a foot long, yet less than one-quarter of an inch in thickness. 蚯蚓... 閱讀全文>>

日期:2020-04-20 We use this every day as a stand-in for love and the human heart, but it doesnt really look like the real thing. 我們每天都用這個符號代表愛以及人類的心臟,但這符號和真正心臟的模樣其實有點差距。 Zachary Crockett at Priceonomics has looked into the hi... 閱讀全文>>

日期:2020-04-14 每個孩子都喜歡喝鮮牛奶。那香濃的味道,甜美的滋味是多么誘人!對于這樣一種極為有用的飲品,你肯定想要了解更多吧? 我們喝的牛奶幾乎全部來自奶牛的乳房。不過,人們還飲用其他動物的奶,例如羊、驢以及駱駝。 Every child likes to drink new milk. How pleasant it... 閱讀全文>>

日期:2020-04-14 假如你買了一些塑料制品,上面標明可生物降解。那你就可以放心了,因為你知道將它扔掉后它會無害降解。嗯,不要太快下結論。 當我們從適合垃圾填埋場的特性這一角度考慮生物降解能力時,會發現它并不是理想的材料屬性。原因是,我們在設計生物降解能力時,通常會追求快... 閱讀全文>>

日期:2020-04-13 研究人員認為,他們已揭開了狗狗鼻子周圍的秘密,解釋了為什么狗狗們的鼻子如此冰涼。 Researchers believe they have solved one of sciences greatest mysteries. They think they have found out why a dogs nose is cold. Scientists from universities in Sweden... 閱讀全文>>

日期:2020-04-13 Snakes are elongated, legless, carnivorous reptiles that can be distinguished from legless lizards by their lack of eyelids and external ears. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to... 閱讀全文>>

日期:2020-04-08 Elephants are large mammals of the family Elephantidae and the order Proboscidea. Traditionally, two species are recognized, the African elephant and the Asian elephant, although some evidence suggests that African bush elephants and African forest... 閱讀全文>>

日期:2020-04-08 The oak is one of the finest and most useful of all our forest trees. 在所有森林樹種之中, 橡樹是最為優良、最為有用的一種樹木。 Its height sometimes exceeds sixty feet, while the girth, or distance round the trunk, is often more than twenty feet. 它... 閱讀全文>>

日期:2020-04-08 Women who give birth may be biologically older than women who dont, a new study suggests. 一項新研究發現,生過孩子的女性在生理上會比那些沒有生過的更老。 For the study, the researchers analyzed information from 1,556 US women ages 20 to 44 who took p... 閱讀全文>>

日期:2020-04-07 Each of us drinks about three pints of fresh water every day, and we use a great deal of water for washing, for cooking, and for other purposes. Where does all this water come from? In some places we get water from wells, and in other places from ri... 閱讀全文>>

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