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Showing 1 to 12 of 80 entries
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Extreme hydrothermal conditions at an active plate-bounding fault.

Nature

Sutherland R, Townend J, Toy V, Upton P, Coussens J, Allen M, Baratin LM, Barth N, Becroft L, Boese C, Boles A, Boulton C, Broderick NGR, Janku-Capova L, Carpenter BM, Célérier B, Chamberlain C, Cooper A, Coutts A, Cox S, Craw L, Doan ML, Eccles J, Faulkner D, Grieve J, Grochowski J, Gulley A, Hartog A, Howarth J, Jacobs K, Jeppson T, Kato N, Keys S, Kirilova M, Kometani Y, Langridge R, Lin W, Little T, Lukacs A, Mallyon D, Mariani E, Massiot C, Mathewson L, Melosh B, Menzies C, Moore J, Morales L, Morgan C, Mori H, Niemeijer A, Nishikawa O, Prior D, Sauer K, Savage M, Schleicher A, Schmitt DR, Shigematsu N, Taylor-Offord S, Teagle D, Tobin H, Valdez R, Weaver K, Wiersberg T, Williams J, Woodman N, Zimmer M.
PMID: 28514440
Nature. 2017 Jun 01;546(7656):137-140. doi: 10.1038/nature22355. Epub 2017 May 17.

Temperature and fluid pressure conditions control rock deformation and mineralization on geological faults, and hence the distribution of earthquakes. Typical intraplate continental crust has hydrostatic fluid pressure and a near-surface thermal gradient of 31 ± 15 degrees Celsius per...

Hybrid Group IV Nanophotonic Structures Incorporating Diamond Silicon-Vacancy Color Centers.

Nano letters

Zhang JL, Ishiwata H, Babinec TM, Radulaski M, Müller K, Lagoudakis KG, Dory C, Dahl J, Edgington R, Soulière V, Ferro G, Fokin AA, Schreiner PR, Shen ZX, Melosh NA, Vučković J.
PMID: 26695059
Nano Lett. 2016 Jan 13;16(1):212-7. doi: 10.1021/acs.nanolett.5b03515. Epub 2015 Dec 24.

We demonstrate a new approach for engineering group IV semiconductor-based quantum photonic structures containing negatively charged silicon-vacancy (SiV(-)) color centers in diamond as quantum emitters. Hybrid diamond-SiC structures are realized by combining the growth of nano- and microdiamonds on...

Vigorous convection as the explanation for Pluto's polygonal terrain.

Nature

Trowbridge AJ, Melosh HJ, Steckloff JK, Freed AM.
PMID: 27251278
Nature. 2016 Jun 02;534(7605):79-81. doi: 10.1038/nature18016.

Pluto's surface is surprisingly young and geologically active. One of its youngest terrains is the near-equatorial region informally named Sputnik Planum, which is a topographic basin filled by nitrogen (N2) ice mixed with minor amounts of CH4 and CO...

Unification of Sinonasal Anatomical Terminology.

International archives of otorhinolaryngology

Voegels RL, Melo NA, Bezerra T.
PMID: 26722336
Int Arch Otorhinolaryngol. 2016 Jan;20(1):1. doi: 10.1055/s-0035-1554726. Epub 2015 Jul 29.

No abstract available.

New approaches to the Moon's isotopic crisis.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Melosh HJ.
PMID: 25114301
Philos Trans A Math Phys Eng Sci. 2014 Sep 13;372(2024):20130168. doi: 10.1098/rsta.2013.0168.

Recent comparisons of the isotopic compositions of the Earth and the Moon show that, unlike nearly every other body known in the Solar System, our satellite's isotopic ratios are nearly identical to the Earth's for nearly every isotopic system....

Asymmetric distribution of lunar impact basins caused by variations in target properties.

Science (New York, N.Y.)

Miljkovićć K, Wieczorek MA, Collins GS, Laneuville M, Neumann GA, Melosh HJ, Solomon SC, Phillips RJ, Smith DE, Zuber MT.
PMID: 24202170
Science. 2013 Nov 08;342(6159):724-6. doi: 10.1126/science.1243224.

Maps of crustal thickness derived from NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission revealed more large impact basins on the nearside hemisphere of the Moon than on its farside. The enrichment in heat-producing elements and prolonged volcanic activity...

Power-independent wavelength determination by hot carrier collection in metal-insulator-metal devices.

Nature communications

Wang F, Melosh NA.
PMID: 23591878
Nat Commun. 2013;4:1711. doi: 10.1038/ncomms2728. Epub 2013 Apr 16.

Wavelength separation and detection is generally performed by spatial dispersal of incident light onto separate detectors, or by appropriate wavelength-selective filters. Here we demonstrate direct wavelength determination of monochromatic light in a power-independent fashion with a single metal-insulator-metal device....

Martian meteorite launch: high-speed ejecta from small craters.

Science (New York, N.Y.)

Head JN, Melosh HJ, Ivanov BA.
PMID: 12424385
Science. 2002 Nov 29;298(5599):1752-6. doi: 10.1126/science.1077483. Epub 2002 Nov 07.

We performed high-resolution computer simulations of impacts into homogeneous and layered martian terrain analogs to try to account for the ages and characteristics of the martian meteorite collection found on Earth. We found that craters as small as approximately...

Assessment of the discriminative stimulus effects of the optical isomers of ecstasy (3,4-methylenedioxymethamphetamine; MDMA).

Behavioural pharmacology

Baker LE, Broadbent J, Michael EK, Matthews PK, Metosh CA, Saunders RB, West WB, Appel JB.
PMID: 11224335
Behav Pharmacol. 1995 Apr;6(3):263-275.

The discriminative stimulus effects of the stereoisomers of 3,4-methylenedioxymethamphetamine (MDMA) were studied in rats trained to discriminate 1.25mg/kg of (+)-MDMA or 3.5mg/kg of (-)-MDMA from saline, in a two lever, water-reinforced, drug discrimination situation. The isomers of MDMA and...

Ice volcanism on ariel.

Science (New York, N.Y.)

Melosh HJ, Janes DM.
PMID: 17787879
Science. 1989 Jul 14;245(4914):195-6. doi: 10.1126/science.245.4914.195-a.

No abstract available.

Pollen and anther ontogeny in Cabomba caroliniana (Cabombaceae, Nymphaeales).

American journal of botany

Taylor ML, Gutman BL, Melrose NA, Ingraham AM, Schwartz JA, Osborn JM.
PMID: 21632364
Am J Bot. 2008 Apr;95(4):399-413. doi: 10.3732/ajb.95.4.399.

Cabomba is a small water lily genus that is native to the New World. Studies of pollen development and associated changes in the anther yield valuable characters for considering the evolution of reproductive biology in seed plants. Here we...

Structure and evolution of the lunar Procellarum region as revealed by GRAIL gravity data.

Nature

Andrews-Hanna JC, Besserer J, Head JW, Howett CJ, Kiefer WS, Lucey PJ, McGovern PJ, Melosh HJ, Neumann GA, Phillips RJ, Schenk PM, Smith DE, Solomon SC, Zuber MT.
PMID: 25279919
Nature. 2014 Oct 02;514(7520):68-71. doi: 10.1038/nature13697.

The Procellarum region is a broad area on the nearside of the Moon that is characterized by low elevations, thin crust, and high surface concentrations of the heat-producing elements uranium, thorium, and potassium. The region has been interpreted as...

Showing 1 to 12 of 80 entries