Scientific American's Sixty

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 未知分类

Coyotes. In the last two decades theyve become common in almost every North American metropolitan area. Stanley Gehrt is a wildlife ecologist at Ohio State University who studies urban coyotes in Chicago. He spoke October 20th at the ScienceWriters20

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 未知分类

These days, antibiotics are no silver bullet. In fact, if you get them in the hospital, you may end up with an additional infection. Like the bug Clostridium difficile, or C. diffwhich infects more than 300,000 Americans a year and kills some 14,000.

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? The human microbiome means community of tiny organisms that live on us and inside us. These creators play a vital role in our health. They calibrate our min-sys

发表于:2018-12-24 / 阅读(222) / 评论(0) 分类 未知分类

66 million years ago, the check shoot the media right, a rock over 60 miles wild, snapped in to the earth. And you know what happened next, the dinos disappeared. But BB says to consider the big picture for a moment.You have to think not only about t

发表于:2018-12-24 / 阅读(135) / 评论(0) 分类 未知分类

Sixty-six million years ago, the meteorite, a rock over six miles wide, slammed into the earth and you know what happened next, the dinos disappeared. but Benjemin Blunder, a planty ecologist at the University of Arizona, says , consider the picture

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 未知分类

That is prescal child beating a drum in sequence an adult drummer. Here is the prescaler who cannot find the rhythm. Researchers find that the first child who can match the drum beats is more likely to have better early language skills and reading po

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 未知分类

Some scientists say that the use of fire helps to make us the modern humans it dramatically changed what and how we eat or may have even altered our enemy. But the University of Utah anthropologist Polly Wisner thinks that the fire is also important

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 未知分类

East, they all ready participate in producing some of the most popular pain killer substances around, bear and wine. Now scientists analyze the east can also make some of the most powerful energizes. morphine.They work in the general natural chemical

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 未知分类

A steaming mug of coffee helps me wake up in the morning.But it can do more than just keep your eyes open. Caffine may actually boost your memory. Researchers gathered 160 uncaffinated adults, people who consumed less than 500 milograms of caffine in

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 未知分类

Its important to trust your gut because the stomach and the food put into it can influence the entire body. For example a new study finds that mice that eat lots of fiber have stronger resistance against asthmatic attacks. For two weeks, let mice eat

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 未知分类

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 未知分类

The warm waste environment of your mouth makes it a great place for bacteria, some of which keep busy causing cavities. Such dental difficulties were thought to a really taken-off for we switch from hunting gathering to agriculture and had a ready su

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 未知分类

Today's early warning systems for earthquakes give you at most a few minutes to prepare for the hit. That's because today's systems rely on detecting the first early rumbles of an actual earthquake before sending the alarm. Now researchers say that f

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 未知分类

Haappy New Year. And dont feel bad about taking today off. After all, youve travelled far, and Im not talking about the trip home from the party. According to NASA, just by being on the planet Earth in the last year, youve zipped about 584 million mi

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 未知分类
学英语单词
'ang
2-hexenoic acid
acremoniella atra
adventitious tubule
air register
anterior cruciate ligament of knee
antiacrodynia factor
aphrodisias
AQL (acceptable quality level)
atomic number 45
basic food
basin-to-basin fractionation
bumhole
butyl ricinoleate
chalcophyllite
chloromorphide
choraguss
chromaking
chronostratigraphic classification
combined desulphurization and denitrification process
common amplifier circuit
contract for the delivery of goods by installments
death panels
dictyosperma album
differential thermal analysis
dolphinate
dragade
edge distance of rivet
Eias
fence up
from one extreme to the other
gas conducting zone
gelivable
go overseas
Godwinian
graceful
Griffith Joyner, Florence
guidance computer
guided electric waves
gyromagnetic limiter
high-context culture
Holyport
homemade-style
in - store promotion
Judeophobe
Kalb, Johann
Laceby
lever reversing gear
lifeworthy
lincoln memorials
load lamp power meter
magnetic retention
maintainer script
mean residue weight
microfluorimetrically
miho
miscellaneous form
Mokvyn
motor octane number
nandine
oil containing ballast water
organoheterotroph
parkland
peripheral charging cone
phaco
photoelectric conversion
physical fault tolerance
possible crystal face
pudder
raciation
regardest
repulsive uniaxial crystal
reservation policy
roll setting angle
rouble
rule against accumulation
sadhu
self respecting
shenan
sick parade
sounding compass
spark-excited spectrum
spore producing plant
subjunctive modes
tbr.
theater prompters
thermosiphonthermotank
tradenet
triode-driven pentode
Ukta
ultra photometer
unfilling
unnerved
unshift
unstable particle
Uyeng Hung
values transfer
vertebrae spuriae
volume adjuster
wainaina
woolpacks
x.500