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Science news from the Philippines
nath
27 posts
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- June 17, 2011
- 10:34 PM
- 1,444 views
Seven new species of Philippine forest mice (Genus: Apomys) discovered
by nath in Imprints of Philippine Science
In early 2000, a team of Filipino and American scientists headed by L.R. Heaney conducted a comprehensive survey of Luzon mammals. Recently, they presented seven new species in the genus Apomys which were identifed from this expedition. They also proposed a new subgenus Megapomys based on the morphological and DNA data of the 10 already known species and the 7 new ones.... Read more »
Heaney, L., Balete, D., Rickart, E., Alviola, P., Duya, M., Duya, M., Veluz, M., VandeVrede, L., & Steppan, S. (2011) Chapter 1: Seven New Species and a New Subgenus of Forest Mice (Rodentia: Muridae: Apomys) from Luzon Island. Fieldiana Life and Earth Sciences, 1-60. DOI: 10.3158/2158-5520-2.1.1
- May 25, 2011
- 12:15 PM
- 1,610 views
Palawan’s fauna 14,000 to 5,000 (cal) years before present
by nath in Imprints of Philippine Science
An accounting of the fauna of the island of Palawan (Philippines) 14,000 to 5,000 years before present.... Read more »
Piper, P., Ochoa, J., Robles, E., Lewis, H., & Paz, V. (2011) Palaeozoology of Palawan Island, Philippines. Quaternary International, 233(2), 142-158. DOI: 10.1016/j.quaint.2010.07.009
- May 9, 2011
- 10:00 AM
- 1,320 views
A phase map analysis algorithm for numerical correction of fields with an optical vortex
by nath in Imprints of Philippine Science
The position of an optical vortex has been determined with precision with their new algorithm. By knowing the position, they were able to correct the distortion of the phase caused by this vortex.... Read more »
Maallo, A., & Almoro, P. (2011) Numerical correction of optical vortex using a wrapped phase map analysis algorithm. Optics Letters, 36(7), 1251. DOI: 10.1364/OL.36.001251
Roux, F. (1995) Dynamical behavior of optical vortices. Journal of the Optical Society of America B, 12(7), 1215. DOI: 10.1364/JOSAB.12.001215
- March 21, 2011
- 12:00 PM
- 1,058 views
Rings (in and around) anticyclones of Jupiter
by nath in Imprints of Philippine Science
The paper explains the colors of Jupiter's cyclones.... Read more »
de Pater, I., Wong, M., Marcus, P., Luszcz-Cook, S., Ádámkovics, M., Conrad, A., Asay-Davis, X., & Go, C. (2010) Persistent rings in and around Jupiter’s anticyclones – Observations and theory. Icarus, 210(2), 742-762. DOI: 10.1016/j.icarus.2010.07.027
- March 18, 2011
- 10:30 PM
- 1,211 views
This newly discovered Philippine frog is the ‘girliest’
by nath in Imprints of Philippine Science
I bet Disney has not seen this frog. This species of frog is “distinguished from other members of the genus by its possession of a bright yellow-green dorsum with conspicuous orange flower-shaped spots in females…” So says the authors of a paper published in Herpetologica this month. Sanguirana aurantipunctata belongs to the Genus (Sanguirana) that includes the monophyletic [...]... Read more »
Fuiten, A., Welton, L., Diesmos, A., Barley, A., Oberheide, B., Duya, M., Rico, E., & Brown, R. (2011) A New Species of Stream Frog (Sanguirana) from the Mountains of Luzon Island, Philippines. Herpetologica, 67(1), 89-103. DOI: 10.1655/HERPETOLOGICA-D-10-00042.1
- February 23, 2011
- 06:01 PM
- 1,130 views
A Clay Problem solved?
by nath in Imprints of Philippine Science
There is a buzz in the Philippine science circle that Amador Muriel has solved the 3D Navier-Stokes Equation. This equation (or an understanding of this equation) is one of the Millenium Prize Problems of the Clay Mathematics Institute (CMI). These problems collated by CMI are “some of the most difficult problems with which mathematicians were [...]... Read more »
Muriel, A. (1997) An integral formulation of hydrodynamics. Physica D: Nonlinear Phenomena, 101(3-4), 299-316. DOI: 10.1016/S0167-2789(96)00181-9
- February 18, 2011
- 08:00 PM
- 1,275 views
Y chromosome reveals more about the Filipinos
by nath in Imprints of Philippine Science
“There is a great difference of opinion among ethnologists who have seen these Negritos, as to the race to which they belong”, S. Kneeland writing in 1883 for Science [1]. He further adds that “they are not far above such an ape as might have been the ancestors of man, with the cerebral convolutions of the orang, [...]... Read more »
Delfin F, Salvador JM, Calacal GC, Perdigon HB, Tabbada KA, Villamor LP, Halos SC, Gunnarsdóttir E, Myles S, Hughes DA.... (2010) The Y-chromosome landscape of the Philippines: extensive heterogeneity and varying genetic affinities of Negrito and non-Negrito groups. European journal of human genetics : EJHG. PMID: 20877414
Reich D, Green RE, Kircher M, Krause J, Patterson N, Durand EY, Viola B, Briggs AW, Stenzel U, Johnson PL.... (2010) Genetic history of an archaic hominin group from Denisova Cave in Siberia. Nature, 468(7327), 1053-60. PMID: 21179161
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