Imprints of Philippine Science

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Science news from the Philippines

nath
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  • March 18, 2014
  • 01:38 PM
  • 1,090 views

Is Liangdao man the oldest Austronesian?

by nath in Imprints of Philippine Science

Genetic analyses say that the Liangdao Man “has the most ancestral haplogroup E sequence among extant Austronesian speakers [1].” Lingdao …Continue reading →... Read more »

Ko, A., Chen, C., Fu, Q., Delfin, F., Li, M., Chiu, H., Stoneking, M., & Ko, Y. (2014) Early Austronesians: Into and Out Of Taiwan. The American Journal of Human Genetics, 94(3), 426-436. DOI: 10.1016/j.ajhg.2014.02.003  

Soares, P., Trejaut, J., Loo, J., Hill, C., Mormina, M., Lee, C., Chen, Y., Hudjashov, G., Forster, P., Macaulay, V.... (2008) Climate Change and Postglacial Human Dispersals in Southeast Asia. Molecular Biology and Evolution, 25(6), 1209-1218. DOI: 10.1093/molbev/msn068  

Tabbada, K., Trejaut, J., Loo, J., Chen, Y., Lin, M., Mirazon-Lahr, M., Kivisild, T., & De Ungria, M. (2009) Philippine Mitochondrial DNA Diversity: A Populated Viaduct between Taiwan and Indonesia?. Molecular Biology and Evolution, 27(1), 21-31. DOI: 10.1093/molbev/msp215  

  • March 17, 2014
  • 05:00 AM
  • 926 views

Why the Spanish colonizers demanded extractive institutions in the Islands

by nath in Imprints of Philippine Science

It is generally believed that widespread corruption, inadequate protection of property rights and lack of effective constraints on the elite …Continue reading →... Read more »

  • January 8, 2014
  • 10:00 AM
  • 1,553 views

New Species: This Cebu endemic will be a wonderful addition in your backyard garden

by nath in Imprints of Philippine Science

The Cebu, an island in the central Philippines,  is endangered of losing its natural forest with only 0.2% of it currently …Continue reading →... Read more »

  • January 4, 2014
  • 06:45 AM
  • 1,206 views

Backpost*: The Denisovans and the Mamanwas

by nath in Imprints of Philippine Science

In a post almost 3 years ago, I wrote about the ancient connection of the Philippine Negrito groups with indigenous …Continue reading »... 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, Patterson N, Kircher M, Delfin F, Nandineni MR, Pugach I, Ko AM, Ko YC, Jinam TA, Phipps ME.... (2011) Denisova admixture and the first modern human dispersals into Southeast Asia and Oceania. American journal of human genetics, 89(4), 516-28. PMID: 21944045  

Krause J, Fu Q, Good JM, Viola B, Shunkov MV, Derevianko AP, & Pääbo S. (2010) The complete mitochondrial DNA genome of an unknown hominin from southern Siberia. Nature, 464(7290), 894-7. PMID: 20336068  

Cooper A, & Stringer CB. (2013) Paleontology. Did the Denisovans cross Wallace's Line?. Science (New York, N.Y.), 342(6156), 321-3. PMID: 24136958  

Meyer, M, Fu, Q, Aximu-Petri, A, Glocke, I, Nickel, B, Arsuaga, JL, Martinez, I, Gracia, A, de Castro, JMB, Carbonell, E.... (2013) A mitochondrial genome sequence of a hominin from Sima de los Huesos. Nature. DOI: 10.1038/nature12788  

  • October 27, 2013
  • 05:59 AM
  • 1,499 views

Philippine language relations: Reply to comments…

by nath in Imprints of Philippine Science

First, a big thanks to everybody for being engaged in what I thought was just a simple map to visualize relationships …Continue reading »... Read more »

Bouchard-Côté A, Hall D, Griffiths TL, & Klein D. (2013) Automated reconstruction of ancient languages using probabilistic models of sound change. Proceedings of the National Academy of Sciences of the United States of America, 110(11), 4224-9. PMID: 23401532  

Atkinson, Q.D. (2013) The descent of words. PNAS, 4159-4160. info:/10.1073/pnas.1300397110

  • October 15, 2013
  • 08:00 AM
  • 1,638 views

Philippine language relations in a map

by nath in Imprints of Philippine Science

“The number of individual languages listed for Philippines is 185. Of these, 181 are living and 4 are extinct. Of …Continue reading »... Read more »

Bouchard-Côté A, Hall D, Griffiths TL, & Klein D. (2013) Automated reconstruction of ancient languages using probabilistic models of sound change. Proceedings of the National Academy of Sciences of the United States of America, 110(11), 4224-9. PMID: 23401532  

  • September 27, 2013
  • 06:15 AM
  • 1,075 views

A complex ritualistic burial in the Philippines 9000 years ago

by nath in Imprints of Philippine Science

  About 9000 years ago, a human was buried in an elaborate ritual that involves defleshing and separation of bones, crushing …Continue reading »... Read more »

  • September 22, 2013
  • 06:04 AM
  • 913 views

The Philippine tarsier chirps, twitters and whistles and in different ultrasonic frequencies!

by nath in Imprints of Philippine Science

Last year, a team composed of scientists from the USA and the Philippines observed calls of the Philippine tarsier that …Continue reading »... Read more »

Ramsier MA, Cunningham AJ, Moritz GL, Finneran JJ, Williams CV, Ong PS, Gursky-Doyen SL, & Dominy NJ. (2012) Primate communication in the pure ultrasound. Biology letters, 8(4), 508-11. PMID: 22319094  

  • September 17, 2013
  • 04:00 PM
  • 1,150 views

This newly described pitcher plant is most likely extinct

by nath in Imprints of Philippine Science

Just a quick post on a newly described pitcher plant endemic to the Philippines. M. Cheek and M. Jebb while …Continue reading »... Read more »

  • September 13, 2013
  • 07:15 PM
  • 1,095 views

Sunbird colonization and diversification in the Philippines; spotlight on Mindanao

by nath in Imprints of Philippine Science

The Philippines is the center of diversity of sunbirds belonging to the genus Aethopyga.  The country boasts of 8 species, …Continue reading »... Read more »

Hosner, P. A., Nyári, Á. S., & Moyle, R. G. (2013) Water barriers and intra-island isolation contribute to diversification in the insular Aethopyga sunbirds (Aves: Nectariniidae). Journal of Biogeography, 40(6), 1094-1106. info:/10.1111/jbi.12074

  • September 11, 2013
  • 04:00 PM
  • 1,817 views

Complete mtDNA genomes of Filipinos reveal recent and ancient lineages

by nath in Imprints of Philippine Science

The plot thickens! It still fascinates me how regions of  the earth have been reached and populated by humans.  Particularly, I …Continue reading »... Read more »

Pugach I, Delfin F, Gunnarsdóttir E, Kayser M, & Stoneking M. (2013) Genome-wide data substantiate Holocene gene flow from India to Australia. Proceedings of the National Academy of Sciences of the United States of America, 110(5), 1803-8. PMID: 23319617  

  • April 19, 2013
  • 05:51 PM
  • 754 views

Factors that predict the spreading of breast cancer cells

by nath in Imprints of Philippine Science

Breast cancer is the most common cancer in the Philippines affecting 3 of 100 women. In the country, it has …Continue reading »... Read more »

Rosa Mendoza ES, Moreno E, & Caguioa PB. (2013) Predictors of early distant metastasis in women with breast cancer. Journal of cancer research and clinical oncology, 139(4), 645-52. PMID: 23283528  

  • September 17, 2012
  • 07:00 AM
  • 783 views

Prolactin and the Men of Cebu

by nath in Imprints of Philippine Science

Prolactin is a hormone whose two most well-known effects in humans are its regulation of milk production for suckling mothers, and its …Continue reading »... Read more »

Gettler LT, McDade TW, Feranil AB, & Kuzawa CW. (2012) Prolactin, fatherhood, and reproductive behavior in human males. American journal of physical anthropology, 148(3), 362-70. PMID: 22576125  

  • July 21, 2012
  • 06:01 PM
  • 1,436 views

Geological origin of the island of Mindoro

by nath in Imprints of Philippine Science

Around 45 Million years ago (Eocene), the South China sea started opening.  With that movement, what is now Palawan and …Continue reading »... Read more »

  • May 27, 2012
  • 06:01 PM
  • 952 views

Stating the obvious: Breastfeeding is also best for the pocket

by nath in Imprints of Philippine Science

Here’s a quick post on a study on, The Economic Burden of Infant Formula on Families with Young Children in …Continue reading »... Read more »

Sobel, H., Iellamo, A., Raya, R., Padilla, A., Sta. Ana, F., & Nyunt-U, S. (2012) The Economic Burden of Infant Formula on Families with Young Children in the Philippines. Journal of Human Lactation, 28(2), 174-180. DOI: 10.1177/0890334412436719  

  • April 30, 2012
  • 06:30 PM
  • 1,417 views

Epic voyage and potteries: an ancient connection between the Philippines and the Marianas

by nath in Imprints of Philippine Science

Harvey Pascua and Ronald Ortiz* both live in the Marianas. They share the same first name/surname structure. They look alike.  They are both Roman Catholics. But they have different nationalities. Harvey is Ilocano from Cagayan. He is an Overseas Filipino Worker since 10 years ago. Ronald, on the other hand, is a Chamorro, a native [...]... Read more »

Hung H., Carson M.T., Bellwood P., Campos F.Z, Piper P.J., Dizon E., Bolunia M.J.L.A., Oxenham M., and Chi Z. (2012) The first settlement of Remote Oceania: the Philippines to the Marianas. Antiquity, 85 (329), 909-926. info:other/

  • April 29, 2012
  • 03:30 PM
  • 1,409 views

Earth week 2012: Pinoyscincus, and its hemipenis

by nath in Imprints of Philippine Science

Or a post previously titled, “Revision of the genus Sphenomorphus.” My last post for Earth week 2012 is about the review of the species-rich genus Sphenomorphus.  “Sphenomorphus currently serves as a “wastebin taxon”  for a large number of skinks”, according to wikipedia. The authors note that “(1) previously recognized species group relationships were misled by phenotypic convergence; (2) [...]... Read more »

  • April 25, 2012
  • 07:30 AM
  • 1,436 views

Earth Week 2012: A true colorless cave crab from Samar

by nath in Imprints of Philippine Science

My second post for Earth week 2012 is  about a lone new species in a new genus that is most probably found only in Principe cave at the southern tip of Samar island. Recently, the world was awed by the 5 new species of purple crab found in Palawan (link here and here).  Here, I present the first [...]... Read more »

Husana, D.E.M, Tan, S.H., . (2011) A new genus and species of anchialine Hymenosomatidae(Crustacea, Decapoda, Brachyura) from Samar, Philippines. Zootaxa , 49-59. info:/

  • April 23, 2012
  • 03:30 AM
  • 1,211 views

Earth Week 2012: A new species of tilefish from Laiya, Batangas

by nath in Imprints of Philippine Science

And so I’m making it an Earth week. There are 3 research articles about new species and new genera from the Philippines lurking in my laptop. These new species did not make the mainstream media, unlike this and this, but their discovery is just as exciting as the more famous species. Since I decreed this [...]... Read more »

JAMES K. DOOLEY, & YUKIO IWATSUKI. (2012) A new species of deepwater tilefish(Percoidea: Branchiostegidae) from the Philippines, with a brief discussion of the status of tilefish systematics. Zootaxa, 31-38. info:/

  • April 17, 2012
  • 04:30 AM
  • 1,347 views

Distinguishing children with mild autism via EEG tracings

by nath in Imprints of Philippine Science

This is a science story of an inquisitive high school student from the Philippine Science High School who by asking the help of the right people [1], may have found a route to differentiate children with mild autism using Electroencephalogram (EEG) traces. Writing in a soon to be published article in the International Journal of Bifurcation and Chaos, Lance Co Ting [...]... Read more »

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