基因组序列草图

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(161) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(158) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(208) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(155) / 评论(0) 分类 2014年ESL之商务英语

Peter Heinlein The United States and Britain have presented the U.N. Security Council a draft resolution on Iraq, outlining the transfer of full sovereignty to an interim Iraqi government. The handove

发表于:2019-01-04 / 阅读(131) / 评论(0) 分类 VOA2004(上)--国际时事

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(五)月

This is the VOA Special English Agriculture Report. Dominette, a Hereford cow whose genetic material was used in the study Researchers from twenty-five countries have made a genetic map of a cow. Better understanding of what makes a cow a cow could

发表于:2019-01-11 / 阅读(204) / 评论(0) 分类 VOA慢速英语2009年(五)月

Genome Shows Humans More Gorilla-like than Thought Sixty scientists worked over five years to sequence the genome of a single female lowland gorilla, the last of the great apes to have its DNA mapped. According to lead author Aylwyn Scally, of the Tr

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2012年(三月)

Scientists Decode Tsetse Fly Genome 科学家解密采采蝇基因序列 Scientists have mapped the genetic code of the tsetse fly, the insect responsible for African sleeping sickness. They said the findings could lead to better repellents and contr

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2014年(五月)

AUDIE CORNISH, HOST: Scientists have taken a big step towards making synthetic life. In other words, they figured out how to create a living thing with DNA that was written in a lab. NPR health correspondent Rob Stein has the details. ROB STEIN, BYLI

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Voice 1 Thank you for joining us for todays Spotlight program! Im Rebekah Schipper. Voice 2 And Im Liz Waid. Spotlight uses a special English method of Broadcasting. It is easier for people to understand, no matter where in the world they live. Have

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 环球英语 Spotlight

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 60秒科学

New map of zebra finch DNA could provide keys to stuttering, autism and Parkinson's disease Vronique LaCapra | St. Louis, Missouri 05 April 2010 Photo: L. Brian Stauffer, University of Illinois News Bureau The zebra finch is the first songbird to hav

发表于:2019-01-31 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(四)月

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(129) / 评论(0) 分类 阅读空间

BEIJING, Oct. 13 (Xinhuanet) -- Scientists have decoded the genome of Black Death which caused one of the worst plagues in human history. The finding was published Wednesday in the scientific journal Nature. A team of German, Canadian and American sc

发表于:2019-02-07 / 阅读(170) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(174) / 评论(0) 分类 英语新闻

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(135) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 英语听力练习题

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(160) / 评论(0) 分类 柯南脱口秀
学英语单词
absorption factor
acahay (acahai)
acquired disposition
antibiotic sensitivity
arteriogenesis
aurines
award-bearing
battle royal
bed-fast
belieth
BHN, Bhn
brass-rubbing
buttonmould
calorigenic
clipped-noise modulation
collision threat assessment system
Cresopirine
darkminded
debarbarize
demiwig
Diabenal
diplogangliate
directorate general of post
dismark
dismoded
duplex communication system
elevator cars
end capacity
fall into the position of
fallet
fishbone antenna
forest chemical products
free fall model
genus parascalopss
giese
glasslikest
Godwār
gomron
GQR
handy
hayricks
ilx
in the rings
incoherent optical signal processing
Kitanda
ldpd
linear microsystem
linear sensitivity measure
Litsea morrisonensis
local vanning
lymphoglandular cyst
makwa
market centre
mathematical truth
may fly
methods
misspent
muddledness
myastheina
niggardliest
obligingly
Ornstein-Uhlenbeck semi-group of operators
oscillating component
oughtnesses
outmetalled
Overcarriage of Passengers
pars anterior
pasta fazool
patr-
peripheral siphon
photohydration
pie safe
pigment cells of retina
Poa hisauchii
precomputational
prerenal uremia
Rathcoole
reducing flame
rendlesham
reverse genetic
rice-grain valve
Schefflera elliptica
schiaparellis
schlumberger spread
selecting magnet
semi-sexist
short distance transmission
sterile gauze
stightly
stumbling blocks
subrogate country
takeover bids
thief sampling
transcontinental railway
transparency layer
transverse incision of lower abdomen
triangle setup
tweedledee and tweedledums
velvetleaf
Vitidaceae
winding coil
yellow-legged tinamou