精巢分期

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 Scientific American(十二)月

Gene Stops Ovaries from Testifying A mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin reports Little girls are made of sugar and spice and,

发表于:2019-01-30 / 阅读(157) / 评论(0) 分类 60秒科学

At first glance, the grass playing field at Mountain View Alternative High School in Centreville, Virginia, looks like any playing field at any high school in the country. But for a Sunday in August when most schools are usually still, there was a lo

发表于:2019-02-02 / 阅读(45) / 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(30) / 评论(0) 分类 TED演讲教育篇

To Sleep, Perchance to Dream So you awoke this morning in a miserable mood. Well, maybe your special dream character didn't put in an appearance last night, or maybe there just weren't enough people drifting through your dreams. If that sounds like f

发表于:2019-02-17 / 阅读(38) / 评论(0) 分类 阅读空间

In my observation, everyone who has a financially successful career goes through the following three stages: 据我观察,每个事业成功的富豪都会经历以下三个阶段: 1. Self-awareness 自我认知 Most people do not know what they

发表于:2019-02-18 / 阅读(24) / 评论(0) 分类 阅读空间
学英语单词
accessory ingredient
acid-function
allains
Arthropoda
australian deserts
automotive axle housing tube
bacciger mugilis
base of sacral bone
Besar Hantu
blackguardism
capsids
cathode life
changed down
common characteristic
Cornwall and Isles of Scilly County
critical temperature zone
crossbar micrometer
decentralized management pattern
declaws
dual processors
exhaustive classification
fast head
filiform corrosion resistance
foodfest
forkbeards
FORTRAN 77
foxiest
gang driller
gladiatorships
henryi
high-pressure polyethylene film
homeo
in-concert
insured named
intercuspation
isocyclic compound
jjj
kinematic indeterminacy
kirkendoll
lampion
LMLM
longitudinal transmission check
magnetosphere explorer
Makorako
malagarasi
management reporting system
mechanism of doping effect
mihrs
minimal lethal dose (mld)
misproceedings
Mittel-Europa
moehringia lateriflora (l.) fenzl
multiplicata
myometrectomy
newtron
niesrs
Nigino
Nomocharis
non-treated
nonelasticity
online backup
ossa sesamoidia pedis
overall audit report
overcriticizes
passive congestion of liver
print sth on sb's memory
program ring
propenyl mustard oil
Qal'eh-ye Seyyed
quaternion vector bundle
rainbow coalition
ramillary
ramsour
redolent
reef a slip wire
ring ouzels
robin redbreasts
roll pressure
roomies
Sarcosperma
sequence unit
serum cholinesterase
set model
single-channel input
soilflow
sporogenous hyphae
stiltifies
stompbox
takuya
telegraph cable landing buoy
thickness of printing paste
time-division swithcing
unequal impulse
upbreakings
usances
vants
veron
Viry
waste-ridden
Wheatley
written request of patent