SAN FRANCISCO Nike Air Force 1 Scontate , July 1 (Xinhua) -- Two researchers from Stanford University are exploring how corals that re-colonized Bikini Atoll after U.S. nuclear bomb tests 70 years ago have adapted to persistent radiation.
Humans and many other animals exposed to radiation often develop deoxyribonucleic acid (DNA) mutations in fast-dividing tissues that can result in cancer. Yet somehow, fast-growing coral in the ring of sand in the Pacific Ocean appear unharmed by the high levels of radiation found there.
Bikini Atoll experienced the historic fallout of 23 atomic bomb tests in the most northern of the Marshall Islands, located roughly halfway between Hawaii and Japan. The blasts http://www.airforceonescontate.it/ , detonated by the U.S. military in the years between 1946 and 1954, exposed corals and other species to persistent, high levels of radioactivity.
"The terrible history of Bikini Atoll is an ironic setting for research that might help people live longer Nike Air Force One Saldi Scontate ," said Stephen Palumbi, Professor of Marine Science at Stanford, about his research efforts there. "By understanding how corals could have recolonized the radiation-filled bomb craters Nike Air Force One Italia Scontate , maybe we can discover something new about keeping DNA intact."
Palumbi and biology graduate student Elora Lopez hope to better understand how the coral colonies withstand the high levels of radiation by sequencing their DNA and measuring rates and patterns of mutations.
Their work is featured in an episode of "Big Pacific," a Public Broadcasting Service Inc. (PBS) documentary series about species, natural phenomena and behaviors of the Pacific Ocean. A film crew captured Palumbi and Lopez diving in a hydrogen bomb crater Nike Air Force One Just Do It Scontate , chasing radioactive crabs, sampling giant corals and witnessing something only reported once before, namely mutant sharks possibly missing their second dorsal fin.
"We should never forget what we did to Bikini Atoll and its people Nike Air Force One Basse Scontate ," Lopez, as the project's leader, was quoted as saying in a news release from Stanford this week. "We should learn everything we can from it Nike Air Force One Mid Scontate , even things we would have never have thought of before."
Beyond coral, Lopez and Palumbi aim to understand how Bikini's larger ecosystem continues to thrive in terms of biodiversity and to expose hidden genetic damage. To that end, Lopez decided to look at platter-size crabs that eat coconuts filled with a radioactive isotope from groundwater. How do the crabs survive Nike Air Force One Alte Scontate , grow and reproduce with such a burden of radioactivity? To answer this and other questions, the researchers will compare their species samples with those collected on Bikini by Smithsonian Institution researchers before the atomic tests.
RIO DE JANEIRO， Aug. 14 (Xinhua) -- Underestimated Britain proved themselves here on Sunday， chopping one game off each set from the all-time leading Chinese though losing 3-0 to miss the men' s team semifinals of table tennis at the 2016 Rio Olympic Games.
The 2016 world team championships' semifinalists opened the last eight match in style as Liam Pitchford， 23 years old and Olympic scholarship holder， rushed 6-0 against Ma Long before beating the newly crowned Olympic singles gold medalist 11-6.
Ma， however， later showed the true color of a world No. 1 and Grand Slam winner by breezily taking the second game 11-4 to tie on games 1-1.
He again stumbled in the following two games but twice overcame a two-point deficit of 9-7 to wrap up the set 6-11， 11-4， 11-9， 11-9.
The similar scene was repeated when world No. 3 male paddler Xu Xin took the 26-year-old Paul Drinkhall， surrendering his first game 9-11 before coming back 11-6， 11-6， 11-7.
Xu， also 26， then teamed up with the only other active Grand Slam winner of men' s table tennis Zhang Jike to overcome a late comeback of the British pair of Samuel Walker and Drinkhall 11-4， 11-7， 11-13， 11-4.
Before their quarterfinal face-off with China， the trio of Britain battled past France in full sets and full games in Friday' s first round.
The Chinese men' s team will next play South Korea en route to defending their second straight Olympic team title after the London silver medalists denied a mid-way high-light performance from Mattias Karlsson to beat Sweden 3-1.
Later on Sunday afternoon， last Olympics' semifinalists Germany take Austria and Japan meet Hong Kong， China in the remaining quarterfinals.
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