Triplet giant pandas celebrate 3rd birthday in S Ch

LOS ANGELES Cheap Hockey Jerseys , July 25 (Xinhua) -- A technique called digital holographic microscopy, which uses lasers to record 3-D images, may help scientists spot extraterrestrial microbes, according to a NASA's new research.


"It's harder to distinguish between a microbe and a speck of dust than you'd think,"said Jay Nadeau, research professor of medical engineering and aerospace in Caltech's Division of Engineering and Applied Science, in a recent statement.


"You have to differentiate between Brownian motion, which is the random motion of matter Cheap Adidas NHL Jerseys , and the intentional, self-directed motion of a living organism," Jay Nadeau said.


Whereas standard microscopes can only view a thin slice of a drop of water, the new detection method, detailed in the journal Astrobiology, adds more.


The journal is recently publishing a special issue dedicated to the search for signs of life on Saturn's icy moon Enceladus.


Included is the new paper, co-authored by Chris Lindensmith of NASA's Jet Propulsion Laboratory and scientists from Caltech.


Enceladus, the sixth-largest moon of Saturn Cheap NHL Jerseys Free Shipping , has a lot of water-an ocean's worth, hidden beneath an icy shell that coats the entire surface. When the Saturn probe Cassini flew by Enceladus in 2005, it spotted water vapor plumes in the south polar region blasting icy particles at nearly 2,000 kilometers per hour to an altitude of nearly 500 kilometers above the surface.


Even if life does exist there in some microbial fashion, the difficulty for scientists on Earth is identifying those microbes from 790 million miles away.


To identify the motion of potential microbes from Enceladus's plumes, scientists propose using digital holographic microscope, in which an object is illuminated with a laser and the light that bounces off the object and back to a detector is measured, according to the study.


With holographic microscopy Cheap NHL Jerseys Wholesale , scientists were able to identify organisms with population densities of just 1,000 cells per milliliter of volume, similar to what exists in some of the most extreme environments on Earth, such as subglacial lakes.


"Digital holographic microscopy allows you to see and track even the tiniest of motions," Nadeau says.


Next, the team will attempt to replicate their results using samples from other microbe-poor regions on Earth, such as Antarctica, according to a press release.




CHANGCHUN Cheap NHL Jerseys From China , July 31 (Xinhua) -- In a small, enclosed booth, with lights, speakers and microphones, anyone can be a singing superstar!


In China, mini karaoke (KTV) booths are taking the country by storm. The sound-proofed KTV booth is typically equipped with an air-conditioner, a couple of chairs and headsets. You pay a fee, put on the headset Cheap NHL Jerseys China , close the curtain and sing your lungs out.


Mini KTVs are everywhere: shopping malls, cinemas, subway stations. They have a similar function to traditional karaoke, but in a more intimate environment.


"No matter how good or bad I sing, nobody can judge me, and I can just have my moment," said Li Rui from Changchun City, capital of northeast China's Jilin Province.


Li said that in traditional KTVs Discount NHL Jerseys , you have to reserve rooms in advance and there are always "extra charges" such as beverages and fruit.


According to research company iiMedia, the value of the mini KTV market in China will hit 3.18 billion yuan (473 million U.S. dollars) this year, almost twice as much as last year. And market is expected to double again in 2018.


For many urbanites singing is just a way of relieving stress.


"In the past, hosting a party in a KTV meant you had to invite a lot of people, set up a date when everybody was free and book a room, which was not so easy," said Ma Yan, a music fan. "But with mini KTV booths Cheap NHL Jerseys , everything is easy."


Another reason behind the mini KTV fervor is the joy of sharing.


"Most mini KTVs allow you to record yourself and upload, so I can share the recording on WeChat and get a lot of 'likes' from friends," said Guo Hanyu of Shenyang, Liaoning Province.


Liu Wei, a professor with Jilin University, said that the mini KTVs put the user in control, which makes the process "a lot more fun and personal."


The interest has drawn a lot of investors. Prices of mini KTV booths range from about 10,000 yuan to 30 Cheap Jerseys China Free Shipping ,000 yuan.


If a machine runs 12 hours per day at 60 yuan an hour, cost is recouped in about a month. However, the reality is more complicated.


Besides cost, operators also have to pay fees to owners of the venues such as shopping malls and cinemas, but so far, at least 20,000 mini KTVs are in operation.


"In rush hour, customers have to wait in line Cheap Jerseys China Wholesale ," said a member of staff with Changchun Ouya New Life shopping mall in Changchun. "The machines are mostly used by young people and they are cleaned every day."


The government has caught wind of the machines. In a circular issued by the Ministry of Culture, authorities asked local departments of cultural management to strengthen supervision on the mini KTVs to avoid juvenile addiction.


"Demand drives development," said Liu Wei. "We should give new things enough space to develop, and allow it to evolve with the market."


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Triplet giant pandas celebrate 3rd birthday in S China's Guangzhou


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