中山屁股拉屎有时会拉血(中山华都医院到底怎么样) (今日更新中)

BEIJING, Jan. 6 (Xinhua) -- Surveillance data on the size and frequency of earthquakes in Antarctica collected by China's Great Wall Station show that the continent is not earthquake-free, a Chinese seismic expert said Thursday."China's newly-built seismic observatory in Great Wall Station has documented a hundred-odd earthquakes occurring in the region over the past year," said Chang Lijun, a member of China's 28th Antarctic expedition team.The discovery challenges the prevailing notion that the Antarctic has no earthquakes, as many earthquakes have gone undetected due to lack of seismological observation in the region.However, thanks to technological advances, scientists have discovered that the continent is still subject to some minor tremors.Chang, also an associate researcher at China Earthquake Administration's Geophysics Institute, said last year's earthquakes ranged in magnitude from 0.5 to 4, scales which are usually undetectable to common people.The tectonic movements of Antarctica, which sits on two plates that pulled away from each other in the northern Ross Sea between 28 and 40 million years ago, but later converged, fascinate geologists worldwide.At the end of 2010, Chinese scientists set up a new broadband seismic observatory in Great Wall Station, greatly increasing China's ability to measure tremors and tectonic movements on the continent.

LOS ANGELES, Oct. 3 (Xinhua) -- An organizer of the World Stem Cell Summit says one of the key problems medical researchers face these days is how to apply their findings in the real world."How do you take the phenomenal scientific research going on in labs and translate it into medical treatments,?" said Bernie Siegel, the founder and co-chair of the summit and executive director of the Genetic Policy Institute, which organized the event."It's a big job to do this, and more than just the science," Siegel said, noting that in a growing field now moving beyond basic lab research, the aim is to connect the people who do the work with those who finance it.The three-day summit, which opened Monday in Pasadena, features more than 150 top international speakers and 50 hours of programming with leaders from science, pharmaceutics, business, policy, ethics, law and other fields.The cell therapy industry, a "nascent" field, has emerged to be a potentially multi-billion business with unlimited potential, Siegel said.Stephen Dalton, a University of Georgia professor, reported that one of the biggest developments in stem cell research in the past year was the realization that cells can be transdifferentiated from one state to another without returning to a pluripotent state.Dalton said the principle was previously supported by a few isolated examples but it was not until 2010 that the idea was widely accepted.Mark Sussman, a professor from San Diego State University, called the identification of lung stem cells from human tissue samples capable of regenerating the highly complex and specialized structures of mature lungs a breakthrough in lung biology and regenerative medicine.He said results presented by the Anversa group in the New England Journal of Medicine demonstrate that human lung stem cells can be expanded in vitro and also retain the capacity to integrate into adult tissue upon introduction into mice.The study, Sussman said, has opened up an entirely new field of possibilities for lung regeneration and potential therapeutic applications for many conditions where treatment options are either very limited or nonexistent.

SAN FRANCISCO, Dec. 13 (Xinhua) -- Apple is in talks to acquire Israeli fabless semiconductor maker Anobit for 400 million to 500 million U.S. dollars, U.S. media reported on Tuesday.Apple is likely interested in Herzliya Pituach, Israel-based Anobit for an exclusive access to its embedded flash controllers which can significantly boost memory performance of smartphones and tablet computers, said technology news site TechCrunch, citing Calcalist, an Israeli newspaper in Hebrew which first reported the possible acquisition.Apple already uses Anobit's technology in iPhone, iPad and the MacBook Air.If the deal works out, it could be Apple's largest acquisition ever, surpassing its 404 million-dollar purchase of NeXT in 1997.It could also become Apple's first acquisition in Israel and the first with Tim Cook as the chief executive officer of the company since its iconic leader Steve Jobs passed away in early October.

来源：资阳报