Thursday, May 9, 2024

Month: May 2014

Map Courtesy SOEST
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Hawaii Star Wire

Third historic volcano found off O‘ahu

University of Hawaii researchers, working with colleagues in California and France, have discovered evidence of a third major shield volcano making up the island of O‘ahu.

Previously, geologists believed the island’s current profile is the remnants of two volcanoes, Wai‘anae and Ko‘olau. But extending almost 100 km WNW from Ka‘ena Point, the western tip of the island of O‘ahu, is a large region of shallow bathymetry, called the submarine Ka‘ena Ridge. It is that region that has now been recognized to represent a precursor volcano to the island of O‘ahu, and on whose flanks the Wai‘anae and Ko‘olau Volcanoes later formed.

The team included scientists from the University of Hawai‘i–Mānoa, Laboratoire des Sciences du Climat et de L’Environment in France, and Monterey Bay Aquarium Research Institute.

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Hawaii Star Wire

Leaf Doctor: UH plant expert launches third app

Fresh from his success with two widely utilized smartphone apps, plant pathologist Scot Nelson has created a new and more technical app, the Leaf Doctor, for a more specialized audience.

Nelson, who works at the College of Tropical Agriculture and Human Resources at the University of Hawaii, doesn’t anticipate that the Leaf Doctor will have the same broad, popular appeal as his Plant Doctor app. For many of those who will use the Leaf Doctor, though, it is likely to be a professional game-changer.

The Leaf Doctor focuses on the finer points of diagnosing plant diseases.

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Bradley Willcox
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Hawaii Star Wire

Study: Shorter men may live longer

Short height and long life have a direct connection in Japanese men, according to new research based on the Kuakini Honolulu Heart Program (HHP) and the Kuakini Honolulu-Asia Aging Study (HAAS).

“We split people into two groups – those who were 5-foot-2 and shorter, and 5-4 and taller,” said Dr. Bradley Willcox, one of the investigators for the study and a UH Mānoa Professor at the John A. Burns School of Medicine’s (JABSOM’s) Department of Geriatric Medicine. “The folks that were 5-2 and shorter lived the longest. The range was seen all the way across from being 5-foot tall to 6-foot tall. The taller you got, the shorter you lived.”

Researchers at the Kuakini Medical Center, JABSOM and U.S. Veterans Affairs worked on the study, which was recently published in PLOS ONE, a peer-reviewed medical journal.

The researchers showed that shorter men were more likely to have a protective form of the longevity gene, FOXO3, leading to smaller body size during early development and a longer lifespan. Shorter men were also more likely to have lower blood insulin levels and less cancer.

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