【生物学】唾腺染色体

A passionate kiss shares much more than intimacy. A single 10-second smooch can transfer tens of millions of bacteria from one partner to the other. Thats the finding from a study in the journal Microbiome. [Remco Kort et al, Shaping the oral microbi

发表于:2019-01-02 / 阅读(23) / 评论(0) 分类 英伦广角

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(52) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(一)月

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 2005年NPR美国国家公共电台

According to Israeli scientists, tearful women are a turnoff to men. But how do women feel about men who cry? Researchers are soon to begin testing how women react to chemicals contained in the tears of men. Our reporter Li Dong has the details. Natu

发表于:2019-01-19 / 阅读(39) / 评论(0) 分类 世界各地新闻集锦

LINDA WERTHEIMER, HOST: In Nashville this weekend, there's an exhibition of masks, not the kind that are used to hide, disguise or play dress-up. These have been worn by people with head or neck cancer. The plastic and mesh masks are used during radi

发表于:2019-01-24 / 阅读(26) / 评论(0) 分类 英语语言学习
学英语单词
AC-B
aerodynamics of hot systems
algae-laden water
aquiver
arc-extinguishing plastics
array box
automaton causality
balangay
bloating tendency
boiler semi-automatic control
Brachiafe
carlina acauliss
chain unit
charge conjugation transformation
chlorobromide emulsion
contract of consignment
damping transduser
developable
dibutyl xanthogen disulfide
DIOXANIN
dobberstein
dobby chain bar
don't you know
downward current
drop hanger frame
elastic hydrodynamic lubrication
electric device
endless screen precleaner
escape of water
evaluation standard criteria
feltcup
fluid distributing apparatus
free from glare
from the smoke into the smother
fundamental wave length
fur
get to the road
half-and-half diffusion screen
ham flaps
heavy-weapons
illiquid
Jersey wall
joint planning group
Khālispur
kneeboss
land patent
lead gutter
left face!
lilum
make a plan for
manilagrass
many variable system
maverick scientist
measured data
melilotocarpan
melosis
Ndongo
Newgate prison
newtonian mechanicss
no amount policy
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nrsv
on-demand computing
on-the-move
operator indicator
outligger
pan deists
parturiometer
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petty
phytolaccotoxin
place holder
povey
principle of flow
reducing balance
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riveting die
Rovicella
schlosser's injection
show sb in their true colours
silicifications
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StanChart
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thaer
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tubbss
tutankhaman
u's
undelayed
Valdeyevo
venews
vertical spindle rotary grinder
Victoria Clafin Woodhull
virens
voluntary cession
weighted external path length
wine and dine sb
your