标签:Cells 相关文章
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a power failure, people grope about in flickering candle
Saving Blood, Saving Lives 捐『血』一袋,救人一命 by Luke Dodds Having a baby can inspire new parents to try the latest method for ensuring their child's health. _(1)_ Cord blood is collected immediately after a baby is born. The blood is
SCIENCE IN THE NEWS - Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move
参加顶级科学竞赛的美国高中生 WASHINGTON Some of the brightest high school students in the United States showcased their ground-breaking math and science research at the annual Intel Science Talent Search. Forty high school seniors, who
New Hope for Spinal Cord Injuries By Patricia Anstett / 2005, Detroit Free Press , Knight Ridder Newspapers. Distributed by Tribune Media Services. A world of patients with spinal cord injuries is wat
Have you ever noticed how frozen vegetables bought at a supermarket tend to cook up like fresh ones; retaining much of their firmness, while cooked home frozen veggies tend to be softer and mushier? Well, this difference is due to the different freez
Healing Elbows And Eyeballs A scratch to the surface of your eye heals quite rapidly, often in a matter of minutes. But a surface scratch on your elbow takes days rather than minutes to heal. The reason for these different rates of healing is directl
What Does Ecstasy Do To Your Brain? 摇头丸会对大脑产生怎样的作用? If youve read or heard the news youve probably heard about a drug called ecstasy, or e for short. Favored by users for its intensely pleasurable high, and condemned by
Fingernails. Theyre good for scratching, biting, clipping, and polishing. But what are they, in fact? 手指甲可以被用来划,咬,剪,磨。但是事实上,它们究竟是什么呢? Although nails may look simple, they actually have var
Task3: A Drunkards Argument Script Heres drunkards argument in favor of heavy drinking. We would learn more about human bihavior if we paid closer attention to the laws at work in the animal kingdom. Only the fittest survive is a law that is apparent
Is Cloning the Future? 克隆一个你? Saving lives has always been an important mission of science. Now science, and indeed all society, is facing a new dilemma:whether or not to try and save more lives through human cloning. The first cloning ex
Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice
Taste may be the least understood of our five senses, even basic questions like where the taste bugs come from remain mysterious until now. In the study published in the journal Stem Cell, scientists identified the lose of parental cell that gives ri
Stem cells are prised for their ability to give rise to a variety of specialized cell types, including heart, liver, nerve and bone. Unfortunately, it's the stem cells from embryos that have shown the biggest potential, for generating both a range of
HEALTH REPORT - Medical Award Honors Two Scientists Who Found Stem Cells By George Grow Broadcast: Wednesday, October 05, 2005 I'm Faith Lapidus with the VOA Special English Health Report. Two scienti
Opposition leader will Tony Abbott wil respond to labor's decision to axe the baby bonus in his budget reply speech tonight. Scrapping the five thousand-dollar payment is all part of a raft of savings which the coalition is unlikely to oppose. Mr.Abb
This season, Klay Thompson set a NBA record by scoring 37 points in a single quarter 这个赛季,克莱汤普森创下一项单节爆砍三十七分的NBA记录 So we brought him in to the ESPN sport science lab 所以我们特邀他来到我们的
Voice 1 Thank you for joining us for todays Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 When you lo
台湾籍旅美老师今天交给我们的句子是: Blood is the tissue that not only carries cells that transport oxygen, for example, the red blood cells, or fights infectious diseases, but it also carries messenger molecules, hormone-like facto
In 1928, Alexander Fleming was studying the bacterium, Staphylococcus, when some of the bacteria became contaminated with Penicillium fungus and stopped growing. Fleming decided that some chemical produced by the Penicillium fungus must be stopping t