2013年Scientific American's Six

Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Qu

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发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

发表于:2018-12-02 / 阅读(162) / 评论(0) 分类 Scientific American(一)月

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. Now, archaeologists have turned up some of those ancient medicines which were preserved in a shipwreck for close to two millennia. The 2nd centry Pozzino wr

发表于:2018-12-02 / 阅读(158) / 评论(0) 分类 Scientific American(一)月

When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

发表于:2018-12-02 / 阅读(293) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

发表于:2018-12-02 / 阅读(130) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

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学英语单词
acidic groups
adora
aerotolerant anaerobe
american institute of laundering
Anisomeles indica
Astrakhanians
autocontrol feature
balance draft
bioluminescence
bounty-hunter
budgetary receipt
casting votes
class larvaceas
column-rank
cucumarioside
dan bau
deindexation
dichotomous key
Drinsko
electrocoating
eroticss
event list
excretes
fictitious mean sun
fixed-displacement-variable pressure pump
forward dealings
friction press
galactoaraban
gaseous effusion method
gentility
gowdy
hard fat lubrication
hardly anything
high purity ferrosilicon
horse doctor
Hyper-Beta-Carnosinemia
hyperpresence
indicators of national education systems (ines)
intrinsic stacking fault
jerkingly
kroszner
labour standard
LCTL (Large Component Test Loop)
ledererite
mactown
Mandatory Provident Fund Schemes Appeal Board
metallic electrode
microcide
Mitsumatarenge-dake
mobile radiotelephone private line
motor cell
multiplexer/demultiplexer
Muturi, Sungai
n-type semiconductors
neoquantity theory
not a soul
nuclear-induction method
one-letter
onstable
Oshakati
pamphleting
papelera
perfect capital mobility
peristalsis
Pinus bungeana
piquets
pituitary glycosuria
plainweave
podium dance
pressurised water reactor
pubovaginalis
Quita Sueňo Bk.
radial canal
rational knowledge
route forecast
sesquipedalian words
Silago
Sivaji
skivvyings
sloped edge
smelter dust
spadefoot
special warrant
speed of action
sport bar
stirfried
stlv
subsidiary production
subspecific epithets
tactile cell
toilet-trained
TPNHtranshydrogenaseTPNH
trevinoes
tutamina oculi
type of compliance test
upsetting point
Vaasan lääni
VLNTS
whinge
wrong routing
X-ray transducer
zinc coated steel sheet