染色体多态性

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(230) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 Scientific American(六)月

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(208) / 评论(0) 分类 VOA标准英语2012年(十二月)

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 英语新闻

I want you to imagine two couples 我希望大家设想一下,两对夫妇 in the middle of 1979 在1979年的年中 on the exact same day, at the exact same moment, 在相同的一天,相同的时刻 each conceiving a baby -- okay? 每对怀上了

发表于:2019-02-13 / 阅读(181) / 评论(0) 分类 TED演讲教育篇
学英语单词
aberrations in optical images
African daisy
albestone
albuminoid degeneration
all approvals granted
alpha-limit set
apologizes
backlog depreciation
backpropagate
band-to-band-tunneling mechanism
biochemistry of serious allergic reactions
Brewster point
broom palm
bubble-collapse buffeting
chaplet area
cinquanta
classical conditioning
commoditizes
composition nails
copper(ii) metaborate
costophrenic
crances
cyanide pot
cylindrical epithelioma
dendrodochiotoxicosis
diagonal cut gap
diandrous
differential drain trap
diphenadion
eat ... words
enlaurel
five element theory
folktales
forest beds
Franco-Manitoban
funny stuff
general condition survey
gray-level
hernandoline
hold off rectifier
houseflies
hunted person
hydroxamethocaine
impulse-transmitting tube
incave
input admittance
internal clearance
kosciuskoes
led backlight
Maexisporites
MFAO
microgenitalism
mied
moderate strength
nancie
nestia
ngatse
nondemonstrable
nssl
parostoses
petstuff
plasma gel sheath
Podocon
poet-in-residence
polylithionates
precedence language
primary spectrum
prophylactic
quintoes
rack rate
reentry observable prediction and experiments
requirement for extraction
restlessness during pregnancy
router frame
sacculus hernialis
sapho
sargassum serratifolium
sciaras
sesame sauce
silly as a wheel
software reconfiguration
sparables
spillbacks
steam outlet valve
strong-field method
strounger
tauchnitzs
textual substitution
Torrellas
tricellula taiwanensis
Triple-O
turkeyburger
ultra short wave antenna
uncaging
unilateral compound pitting
unplayed
vegetable down
Vesuvian eruption
vilexin
vision sharpness
WFP (waste fixation program)
xenon trioxide