D: OK, Yael, if you were me, would you take your date to a violent action flick, or a romantic movie? Y: A romance, of course. D: There might be some scientific basis for why romantic movies make for good dates. In one study, participants were asked

发表于:2019-02-24 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

发表于:2019-02-24 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

Contrary to popular belief, alcohol does not make you warmer. It may give you the feeling that youre getting warmer, but thats just an illusion: really, alcohol makes you more susceptible to the cold. In cold weather, the body reacts by routing blood

发表于:2019-02-24 / 阅读(50) / 评论(0) 分类 英语听力文摘 English Digest

Weve recently been talking about the Fermi Paradox, attributed to Nobel-winning physicist Enrico Fermi. According to reasonable estimates of how many stars have planets, how many planets may be suitable for the evolution of organisms, and so on, our

发表于:2019-02-24 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

Brandy From Wine: How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛,特别讲究陈酿时间与勾兑的技艺,其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的

发表于:2019-02-24 / 阅读(69) / 评论(0) 分类 英语听力文摘 English Digest

Why Stainless Steel Does Not Rust But Other Metals Do? 不锈钢(Stainless Steel)指耐空气、蒸汽、水等弱腐蚀介质和酸、碱、盐等化学浸蚀性介质腐蚀的钢,又称不锈耐酸钢。实际应用中,常将耐弱腐蚀介质

发表于:2019-02-24 / 阅读(117) / 评论(0) 分类 英语听力文摘 English Digest

Wine And Beer: Different Types Of Alcohol, Same Basic Process Why wine is stronger than beer on this moment of science. Wine and beer are made of different ingredients,but the basic process is the same. You start with a liquid containing some kind of

发表于:2019-02-24 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

Painful Injections 相信大家都有过去医院打针的经历吧?不论你是因为生病还是去注射疫苗。小孩子尤其害怕打针,一看到针就会使出吃奶的劲哭闹。这下着急的还有护士跟孩子的父母,想尽办法

发表于:2019-02-24 / 阅读(73) / 评论(0) 分类 英语听力文摘 English Digest

Why Clones Arent Copies 克隆是英文clone或cloning的音译,而英文clone则起源于希腊文Klone,原意是指以幼苗或嫩枝插条,以无性繁殖或营养繁殖的方式培育植物,如扦插和嫁接。在大陆译为无性繁殖在

发表于:2019-02-24 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest

Fencing in Bacteria 绿脓杆菌(p.aeruginosa)或称铜绿色假单胞菌,是一种致病力较低但抗药性强的杆菌。广泛存在于自然界,是伤口感染较常见的一种细菌。能引起化脓性病变。感染后因脓汁和渗出

发表于:2019-02-24 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

Zits Versus Hairy Faces 痤疮是发生在毛囊皮脂腺的慢性皮肤病,发生的因素多种多样,但最直接的因素就是毛孔堵塞。毛孔堵塞以后,毛囊里面的油脂排不出来,越积越多就形成一个个小痘痘,青

发表于:2019-03-09 / 阅读(106) / 评论(0) 分类 英语听力文摘 English Digest

Megaphones If you want to call to a friend half a block down a crowded street, you might cup your hands around your mouth to better aim your voice. Have you ever wondered why simple megaphonesamplify your voice so well? Actually, they work for two di

发表于:2019-03-09 / 阅读(111) / 评论(0) 分类 英语听力文摘 English Digest

Prune Skin 当在浴缸中浸泡过久后,我们的皮肤表层(表皮)吸收了一定水分,于是我们的肌肤看起来就会像老太太的一样了。手和脚的皮肤比身体其他部分的皮肤略厚,所以它们的变化也更引人

发表于:2019-03-09 / 阅读(107) / 评论(0) 分类 英语听力文摘 English Digest

The Front End of the Earth 火流星看上去非常明亮,像条闪闪发光的巨大火龙,发着沙沙的响声,有时还有爆炸声。有的火流星甚至在白天也能看到。火流星的出现是因为它的流星体质量较大(质量大

发表于:2019-03-09 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

The Ancestry Of Snakes 古生物学界的一部分学者认为,蛇是由陆地蜥蜴的一个分支进化而来的,在进化的过程中,它们的脚逐渐退化消失了,而身子则变得越来越细长。另一种流行观点则认为蛇的前

发表于:2019-03-09 / 阅读(109) / 评论(0) 分类 英语听力文摘 English Digest

The Mystery of Photorespiration 光呼吸作用之谜 光呼吸作用-Photorespiration是所有行光合作用的细胞(该处细胞包括原核生物和真核生物,但并非所有这些细胞都能运行完整的光呼吸)在光照和高氧低二

发表于:2019-03-09 / 阅读(108) / 评论(0) 分类 英语听力文摘 English Digest

Out for the Count 麻醉药是指能使整个机体或机体局部暂时、可逆性失去知觉及痛觉的药物。根据其作用范围可分为全身麻醉药及局部麻醉药,全身麻醉药及局部麻醉药根据其作用特点和给药方式

发表于:2019-03-09 / 阅读(111) / 评论(0) 分类 英语听力文摘 English Digest

Youve Got a Lot of Space between Your Ears Sure, you think the world is full of solid objects. You think the radio youre listening to is solid. You think the floor youre standing on or the chair youre sitting in is solid. Heck, you probably think tha

发表于:2019-03-09 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

The Town That Fought A Volcano, And Won 火山喷发(volcanic eruption)是一种奇特的地质现象,是地壳运动的一种表现形式,也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火

发表于:2019-03-09 / 阅读(106) / 评论(0) 分类 英语听力文摘 English Digest

美国一项研究显示-准妈妈在孕期的饮食偏好会直接影响到孩子出生后的口味选择。做这项研究的科学家们在实验中发现,胎宝宝能通过子宫品尝到食物的味道。试想一下,如果,准妈妈在怀孕

发表于:2019-03-09 / 阅读(212) / 评论(0) 分类 英语听力文摘 English Digest