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(246) / 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(196) / 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(208) / 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(278) / 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(212) / 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(316) / 评论(0) 分类 英语新闻
学英语单词
24-circuit combining equipment
Agatsuma
agulte
alcatquen
alternating gradient
angariation
Argyll Robertson
balloon former
belt scales
Bishārīyīn Umm Nājī
bloom butts
boat lift
bongoed
brodinsky
brownian motions
business accountability
casa branca
CCleaner
cellular affinity
choppings
circuit number
classical ballet
clutters up
curl of vector
cyclamineus
demostrar
deused
dielectric mirror
directional gyroscope position
dockgate channel
documentary acceptance bill (d/a)
DOLARS
dynamic pressure transducer
elasticity of price
engine-room emergency bilge suction valve
exchange and barter
exitine
exo-electron proportional counter
expansion busing
explosive device
extend help to sb
fulnificus
fusible cutout
galk
gelatinum glycerinatum
hirtodrosophila astoides
hog-round
homing torpedo
incipient fusion
incongruencies
inopectic diathesis
Intellifont
isosturmia inversa
isotactic polymerization
juniorest
karst water
liquid crystal infrared device
malvezzis
Mantel-Haenzel test
mappery
Marcel Proust
mature proglottid
micheal
minidiagnostic
modern war
namefellows
neohydatothrips samayunkur
new zealand hypertensive rat
nucleus juxtaolivaris
numerical number
parallel earth continuity conductor
perforate column
photochemical
porencephalic cyst
printed PVC sheeting
putnik
rack machine
Rauchfuss' triangle
rectus capitis posterior minor
recursive length
rigid steel conduit
sea
Shāmpur
spread coater
stereospecifically
super-abundances
tamuss
task-dependent option
terrestrial biological resources
Tianpu
Tomigusuku
tuning capacitor
turret port hole swivel plate
two-dimensional paper chromatography
uranyl ammonium phosphate
vendees
vivacities
VM (virtual memory)
zackleys
zaventems
zephyr silk barege
zinc-carbon battery