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Latest University of Hawaii Stories

2009-07-31 08:35:00

A collaborative team led by a University of Hawai'i at Manoa researcher has published the first-ever assessment of snail and slug species that are of potential threat to the nation's agriculture industry and the environment, should they ever be introduced in the U.S.The July 2009 article in the American Malacological Bulletin is authored by snail/slug biologist Robert H. Cowie of the UH Manoa Center for Conservation Research and Training (CCRT) and his team. They evaluated all known snail and...

2009-07-15 08:30:00

According to research at the University of Hawaii at ManoaA study by five university researchers"”including four from the University of Hawai'i at Mānoa"”concludes that existing shark cage diving enterprises in Hawai'i have a negligible effect on public safety.The paper, "Seasonal cycles and long-term trends in abundance and species composition of sharks associated with cage diving ecotourism activities in Hawai'i," is authored by Carl G. Meyer, Jonathan...

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2009-07-14 05:00:00

A huge amount of global warming transformed the Earth into a hothouse 55 million years ago, but the cause remains a mystery, scientists stated on Monday. Prior research into the Paleocene-Eocene Thermal Maximum, or PETM, notes that the planet's surface temperature increased by between 9 and 16.2 degrees Fahrenheit in just several thousand years. The Arctic Ocean's median temperature rose to 73 degrees, or the temperature of a lukewarm bath. PETM's heat wave is enigmatic, but climatologists...

2009-07-10 10:10:00

Dr. Craig R. Smith, oceanography professor at the University of Hawai'i at Mānoa, recently published a paper in Marine Ecology Progress Series titled, "Biogeochemistry of a deep-sea whale fall: sulfate, reduction, sulfide efflux and methanogenesis."The research by Smith and collaborators is the first detailed study of microbial processes at a deep-sea whale fall. The work evaluated the biogeochemical effects of a 30-ton whale carcass deployed at 1,675 mile depth for...

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2009-07-01 08:04:49

Two University of Hawai'i at Mānoa astronomers have found a binary star-disk system in which each star is surrounded by the kind of dust disk that is frequently the precursor of a planetary system. Doctoral student Rita Mann and Dr. Jonathan Williams used the Submillimeter Array on Mauna Kea, Hawaii to make the observations. A binary star system consists of two stars bound together by gravity that orbit a common center of gravity. Most stars form as binaries, and if...

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2009-04-08 10:40:00

Military sonar exercises could be to blame for numerous beachings of dolphins and whales due to temporary deafness, scientists suggest in the Royal Society journal Biology Letters on Wednesday. The study is the first to test a theory that claims mammals can lose their hearing due to the strong mid-frequency sonar used by military submarines and other ships. These mammals rely on sonar to navigate through the waters, without it, they can lose direction and become stranded. Aran Mooney at the...

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2009-03-11 08:06:36

University of Hawaii at Manoa researchers involved in novel strategy Phytoplankton comprise the forests of the sea, and are responsible for providing nearly half of the oxygen that sustains life on Earth including our own. However, unlike their counterparts on land, the marine plants are nearly exclusively microscopic in size, and mostly out of human sight. Consequently, we are still in a very early stage of understanding even the most basic aspects of phytoplankton biology and ecology. In a...

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2009-02-24 13:48:14

The evolutionary tendency of corals to alter their skeletal structure makes it difficult to assign them to different species. Researchers writing in the open access journal BMC Evolutionary Biology have used genetic markers to examine coral groupings and investigate how these markers relate to alterations in shape, in the process discovering that our inaccurate picture of coral species is compromising our ability to conserve coral reefs. Zac Forsman led a team of researchers from University...

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2008-12-15 09:15:00

Scientists are expanding the search for extraterrestrial life -- and they've set their sights on some very unearthly planets. Cold "Super-Earths" -- giant, "snowball" planets that astronomers have spied on the outskirts of faraway solar systems -- could potentially support some kind of life, they have found. Such planets are plentiful; experts estimate that one-third of all solar systems contain super-Earths. "We know there are a lot of super-Earths out there, and the next generation of...

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2008-12-11 10:50:00

A team of astronomers led by John Johnson of the University of Hawaii's Institute for Astronomy has used a new technique to measure the precise size of a planet around a distant star. They used a camera so sensitive that it could detect the passage of a moth in front of a lit window from a distance of 1,000 miles. The camera, mounted on the UH 2.2-meter telescope on Mauna Kea, measures the small decrease in brightness that occurs when a planet passes in front of its star along the...


Latest University of Hawaii Reference Libraries

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2004-10-19 04:45:40

Mauna Kea Observatories -- Hawaii is Earth's connecting point to the rest of the Universe. The summit of Mauna Kea on the Island of Hawaii hosts the world's largest astronomical observatory, with telescopes operated by astronomers from eleven countries. The combined light-gathering power of the telescopes on Mauna Kea is fifteen times greater than that of the Palomar telescope in California -- for many years the world's largest -- and sixty times greater than that of the Hubble Space...

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