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MessagePosté le: Lun 26 Mar - 03:18 (2018)    Sujet du message: ugg jimmy choo italia ment leaders us of the me Répondre en citant

BOSTON, Feb. 19 (Xinhua) -- Scientists have discovered long-dormant microbes trapped in giant crystals in the famous Naica mine of Mexico and have estimated that these organisms may have survived 10,000 to 50,000 years.

The Naica mine is a lead, zinc and silver mine located in the northern Mexican state of Chihuahua and contains extremely large selenite crystals measuring as large as 1.2 meters in diameter and 15 meters long.

The environment inside the crystal cave is very hot and humid, with the high temperature at roughly 60 degrees Celsius.

With no light deep inside the cave, any forms of life has to rely on chemosynthesis, the process to obtain energy released from chemical reactions instead of the energy of sunlight, to survive.

Scientists had identified microbes living in the walls and other nearby areas in the crystal cave. But the microbes discovered by the team led by Penelope Boston, director of NASA's Astrobiology Institute in Moffett Field, California, were trapped in small voids and cracks inside the massive crystal needles.

Using sterile tools, Boston's team obtained samples of these microbes and were able to revive them in the lab.

"Other people have made longer-term claims for the antiquity of organisms that were still alive, but in this case these organisms are all very extraordinary - they are not very closely related to anything in the known genetic databases," said Boston at a press conference during the annual meeting of the American Association for the Advancement of Science held in Boston on Friday.

These special microbes leave Boston and her team fairly confident that the samples were not contaminated with other microbes and that their age estimates for the crystal-trapped microbes is solid.

Studies like these show how resilient life can be to adapt to and thrive in extremely harsh conditions, including on other planets beyond Earth.

"Any extremophile system that we're studying actually allows us to push the envelope of life further, and we add it to this atlas of possibilities that we can apply to different planetary settings," Boston said.

"If you took some of these organisms from Earth and put them elsewhere, they may do just fine," she added.

ACCRA Jordans 6 Gatorade 2017 , Nov. 9 (Xinhua) -- Interim manager for the Black Stars of Ghana, Maxwell Konadu, on Sunday named a list of players for the 2015 Africa Cup of Nations (AFCON) double-header qualifying fixtures against Uganda and Togo this month.

Konadu has handed a debut senior call-up to Emmanuel Osei Banahene of the Saudi Arabian club Al Orobah to replace injured Black Stars captain Asamoah Gyan in his squad.

Gyan failed to pass a fitness test for the Arabian Gulf League match between Al Ain and Al Ahli on Thursday night.

The 23-man squad, according to the program put up by the Ghana Football Association (GFA), will begin training on Tuesday, November 11, 2014 in Accra ahead of their trip to Kampala Jordans 6 Gatorade Like Mike , Uganda on Thursday night.

Ghana heads to the Mandela National Stadium to play Uganda on Saturday, November 15, 2014.

The Black Stars will round up the campaign with a home game against Togo on Wednesday, November 19, 2014 at the Baba Yara Sports Stadium in Kumasi, 270 km north of Accra.

Ghana is currently on top of Group E with 8 points, while Togo follows with 6 points.

Squad:

Goalkeepers: Fatau Dauda (AshGold Jordans 6s Gatorade , Ghana), Adams Stephen (Aduana Stars, Ghana) and Razak Braimah (Mirandes FC, Spain).

Defenders: Yaw Frimpong (TP Mazembe, DR Congo), Harrison Afful (Esperance FC, Tunisia) Jordans 6 Gatorade , Awal Mohammed (Maritzburg, South Africa), Baba Rahman (FC Augsburg, Germany), Jeffery Schlupp (Leicester City, England), John Boye (Erciyesspor Cheap Air Jordan 6 Retro Gatorade Like Mike 384664-145 For Sale , Turkey), Kwabena Adusei (Mpumalanga Black Aces, South Africa) and Jonathan Mensah (Evian, France).

Midfielders: Emmanuel Agyemang-Badu (Udinese, Italy), Rabiu Mohammed (Krasnodar, Russia) Mens Air Jordans 6 Gatorade 2017 , Mubarak Wakaso (Celtic, Scotland), Atsu Christian (Everton, England), Asante Solomon (T.P. Mazembe, DR Congo), Gyimah Edwin (Mpumalanga Black Aces Mens Air Jordans 6 Retro Gatorade , South Africa), Afriyie Acquah (Parma FC, Italy), Andre Ayew (Olympique Marseille, France).

Strikers: Jordan Ayew (Lorient, France), Abdul-Majeed Waris (Trabzonspor Mens Air Jordans 6 Gatorade Sizes 12 , Turkey), David Accam (Helsenborg, Sweden), Emmanuel Osei Banahene, (Al Orobah, Saudi Arabia).

Chinese Premier Li Keqiang on Tuesday pledged to work with Australia to jointly promote fairer and better trade for economic globalization.
  Chinese Premier Li Keqiang (R) meets with Australian Prime Minister Malcolm Turnbull in Manila, Philippines Mens Air Jordans 6 Gatorade Cheap , Nov. 14, 2017. (XinhuaRao Aimin)
"On the basis of adhering to free trade, China is willing to work with Australia to further unleash the dividends of free trade agreements, further expand the scope of opening-up in trade and investment, and jointly promote fairer and better trade for the development of economic globalization," Li said.

The Chinese premier made the remarks during a meeting with Australian Prime Minister Malcolm Turnbull on the sidelines of a series of leaders' meetings on East Asian cooperation in the Philippine capital of Manila.

"Only when you uphold free trade, can you have fair trade Mens Air Jordans 6 Gatorade For Sale ," Li said.

Hailing the important role of the annual meeting of the two heads of government and other mechanisms for promoting bilateral ties and cooperation, Li said both China and Australia see each others' development as important opportunities.

He called on both sides to strengthen communication and coordination, and beef up exchanges and cooperation, so as to make regional cooperation a focus of the meetings and send a positive signal of promoting regional peace and development.

For his part, Turnbull said both Australia and China support free trade and thus the two countries should strengthen free trade cooperation and jointly promote the development of global trade.
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