再受精

10月4日,在瑞典首都斯德哥尔摩的卡罗林斯卡医学院,诺贝尔奖评审委员会宣布,英国生理学家罗伯特爱德华兹获得2010年诺贝尔生理学或医学奖。 85-year-old Englishman Robert Edwards wins the Nobel Pri

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 60秒科学

They are only a few weeks old, but these octuplets are already the center of public outrage. Los Angeles police say they plan to investigate death threats against their mom, Nadya Suleman. The 33-year-old single, unemployed mother has been getting hu

发表于:2018-12-11 / 阅读(77) / 评论(0) 分类 万花筒2009年

Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie

发表于:2019-01-02 / 阅读(82) / 评论(0) 分类 2017年VOA慢速英语(八)月

This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(十)月

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(128) / 评论(0) 分类 英语新闻
学英语单词
a-strut
acephalocysts
achroia
adhesive treatment
aecidium elaeagni
all-parties
Allnortoxiferine
Amomum odontocarpum
Anostominae
approximate solution
asorbtive power
balanced lattice square
bodynets
Bounce-Up
butyl methyl sulfoxide
Calliopsis
capylus
carquest
circular-foil type
complete working cooperative society
couoxylon
coverage ratio
cresoform
dht (discrete hadanmard transform)
diammonium hydrogen phosphate
disharmonious habitat
draw-wind
dressing mirror
dual-effect mutant
Fiesole, Giovanni da
floozy, floozie
fluid culture
follow focus attachment
front fork
generalization of binomial theorem
getting to grips
glaze storm
gnomons
guanidiums
gyniatrics
Hersh
Hicks, Sir Joho Richard
horn arrester
ic araay
inertial frequency
infectio directa
jaw chuck
Kamudilo
kymberly
LBRF
love and marriage
magnetization reversal
maratta
mclees
medium-pace bowler
Meliosma rigida
microcalorimetry
mid-IR
minimarkets
Monilia
Mount McKinley
multipurpose test equipment
Nerlove's partial adjustment model
norelco
out of-step protection
palaeozoic stratum
Palm Beach County
parrot jaw
pass belief
percentage of direct transshipment
post-crime
poweroutput
preferential allotment
presbyteress
pressure coil
queerphobic
radiochromatogram
random access by record file address
redamnation
reflectographic
sensitive to heat
shotpin
show-ring
sound transparent rubber
sovietdom
st. charles pt.
storage disc
stroboscopic light
stuck to her last
tarok
tectonist
Telumodina
transaction risk
transversospinal muscle
travelers
W. & O.
wetewold
windiness
winter air conditioning
xanthian
Yuanren