Displaying publications 1 - 20 of 75 in total

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  1. Antoniou C, Burnette K, Christensen-Quick A, Lewinska M, Ji Y, Khalifa MM, et al.
    Science, 2020 04 03;368(6486):26-28.
    PMID: 32241935 DOI: 10.1126/science.abb6859
  2. Ashton LA, Griffiths HM, Parr CL, Evans TA, Didham RK, Hasan F, et al.
    Science, 2019 01 11;363(6423):174-177.
    PMID: 30630931 DOI: 10.1126/science.aau9565
    Termites perform key ecological functions in tropical ecosystems, are strongly affected by variation in rainfall, and respond negatively to habitat disturbance. However, it is not known how the projected increase in frequency and severity of droughts in tropical rainforests will alter termite communities and the maintenance of ecosystem processes. Using a large-scale termite suppression experiment, we found that termite activity and abundance increased during drought in a Bornean forest. This increase resulted in accelerated litter decomposition, elevated soil moisture, greater soil nutrient heterogeneity, and higher seedling survival rates during the extreme El Niño drought of 2015-2016. Our work shows how an invertebrate group enhances ecosystem resistance to drought, providing evidence that the dual stressors of climate change and anthropogenic shifts in biotic communities will have various negative consequences for the maintenance of rainforest ecosystems.
  3. Australian Academy of Sciences, Royal Flemish Academy of Belgium for Sciences and the Arts, Brazilian Academy of Sciences, Royal Society of Canada, Caribbean Academy of Sciences, Chinese Academy of Sciences, et al.
    Science, 2001 May 18;292(5520):1261.
    PMID: 11360966
  4. Balogun WG, Seeni A
    Science, 2018 03 09;359(6380):1111.
    PMID: 29590034 DOI: 10.1126/science.aar8549
  5. Bergström A, McCarthy SA, Hui R, Almarri MA, Ayub Q, Danecek P, et al.
    Science, 2020 03 20;367(6484).
    PMID: 32193295 DOI: 10.1126/science.aay5012
    Genome sequences from diverse human groups are needed to understand the structure of genetic variation in our species and the history of, and relationships between, different populations. We present 929 high-coverage genome sequences from 54 diverse human populations, 26 of which are physically phased using linked-read sequencing. Analyses of these genomes reveal an excess of previously undocumented common genetic variation private to southern Africa, central Africa, Oceania, and the Americas, but an absence of such variants fixed between major geographical regions. We also find deep and gradual population separations within Africa, contrasting population size histories between hunter-gatherer and agriculturalist groups in the past 10,000 years, and a contrast between single Neanderthal but multiple Denisovan source populations contributing to present-day human populations.
  6. Bernstein IS
    Science, 1966 Dec 23;154(3756):1559-60.
    PMID: 4958933
    Two members of a troop of wild Macaca irus in Malaysia have been tentatively identified as hybrids of M. irus and M. nemestrina. Mechanisms prohibiting such hybridization in the natural habitat may have broken down under heavy predation pressure which finally resulted in the local extermination of M. nemestrinia.
  7. Brooks CM, Ainley DG, Jacquet J, Chown SL, Pertierra LR, Francis E, et al.
    Science, 2022 Nov 04;378(6619):477-479.
    PMID: 36264826 DOI: 10.1126/science.add9480
    Climate change and fishing present dual threats.
  8. CHIN W, CONTACOS PG, COATNEY GR, KIMBALL HR
    Science, 1965 Aug 20;149(3686):865.
    PMID: 14332847 DOI: 10.1126/science.149.3686.865
    A quotidian-type parasite, Plasmodium knowlesi, has been found as a natural infection in man. The infection was acquired by a white male during a short visit to peninsular Malaysia. This occurrence constitutes the first proof that simian malaria is a true zoonosis.
  9. Callen E, Scadron M
    Science, 1978 Jun 2;200(4345):1018-22.
    PMID: 17740674
    The Physics Interviewing Project assists graduate physics departments in evaluating foreign applicants. Supported by some 20 universities, two interviewers, both working scientists, travel abroad and interview students individually for about 1 hour each. Prospective teaching assistants are rated on physics knowledge, problem-solving ability, and English language proficiency. Ratings on all interviewees are sent to all supporting schools and other schools as requested. The Project aids able students from countries that have no physics Ph.D. programs (Indonesia, Malaysia, Thailand) to obtain assistantships and Ph.D.'s abroad, assists in the technological development of those countries, and helps U.S. schools in selecting the most promising foreign candidates. A similar program should be beneficial in other sciences.
  10. Cannon CH, Peart DR, Leighton M
    Science, 1998 Aug 28;281(5381):1366-8.
    PMID: 9721105
    The effects of commercial logging on tree diversity in tropical rainforest are largely unknown. In this study, selectively logged tropical rainforest in Indonesian Borneo is shown to contain high tree species richness, despite severe structural damage. Plots logged 8 years before sampling contained fewer species of trees greater than 20 centimeters in diameter than did similar-sized unlogged plots. However, in samples of the same numbers of trees (requiring a 50 percent larger area), logged forest contained as many tree species as unlogged forest. These findings warrant reassessment of the conservation potential of large tracts of commercially logged tropical rainforest.
  11. Cheong WH, Warren M, Omar AH, Mahadevan S
    Science, 1965 Dec 03;150(3701):1314-5.
    PMID: 5857000
    The mosquito Anopheles balabacensis balabacensis has been identified as a natural vector of at least two species of simian malaria in the monsoon forests of the northern Malay States. This mosquito is also a serious vector of human malaria from Viet Nam to northern Malaya. This is the first report of a mosquito which transmits both human and simian malaria in nature.
  12. Chua KB, Bellini WJ, Rota PA, Harcourt BH, Tamin A, Lam SK, et al.
    Science, 2000 May 26;288(5470):1432-5.
    PMID: 10827955
    A paramyxovirus virus termed Nipah virus has been identified as the etiologic agent of an outbreak of severe encephalitis in people with close contact exposure to pigs in Malaysia and Singapore. The outbreak was first noted in late September 1998 and by mid-June 1999, more than 265 encephalitis cases, including 105 deaths, had been reported in Malaysia, and 11 cases of encephalitis or respiratory illness with one death had been reported in Singapore. Electron microscopic, serologic, and genetic studies indicate that this virus belongs to the family Paramyxoviridae and is most closely related to the recently discovered Hendra virus. We suggest that these two viruses are representative of a new genus within the family Paramyxoviridae. Like Hendra virus, Nipah virus is unusual among the paramyxoviruses in its ability to infect and cause potentially fatal disease in a number of host species, including humans.
  13. Colella JP, Agwanda BR, Anwarali Khan FA, Bates J, Carrión Bonilla CA, de la Sancha NU, et al.
    Science, 2020 11 13;370(6518):773-774.
    PMID: 33184198 DOI: 10.1126/science.abe4813
  14. Condit R, Ashton PS, Baker P, Bunyavejchewin S, Gunatilleke S, Gunatilleke N, et al.
    Science, 2000 May 26;288(5470):1414-8.
    PMID: 10827950
    Fully mapped tree census plots of large area, 25 to 52 hectares, have now been completed at six different sites in tropical forests, including dry deciduous to wet evergreen forest on two continents. One of the main goals of these plots has been to evaluate spatial patterns in tropical tree populations. Here the degree of aggregation in the distribution of 1768 tree species is examined based on the average density of conspecific trees in circular neighborhoods around each tree. When all individuals larger than 1 centimeter in stem diameter were included, nearly every species was more aggregated than a random distribution. Considering only larger trees (>/= 10 centimeters in diameter), the pattern persisted, with most species being more aggregated than random. Rare species were more aggregated than common species. All six forests were very similar in all the particulars of these results.
  15. Curnick DJ, Pettorelli N, Amir AA, Balke T, Barbier EB, Crooks S, et al.
    Science, 2019 01 18;363(6424):239.
    PMID: 30655434 DOI: 10.1126/science.aaw0809
  16. Davidar P, Sharma R, de Silva S, Campos-Arceiz A, Goossens B, Puyravaud JP, et al.
    Science, 2023 Feb 24;379(6634):765.
    PMID: 36821683 DOI: 10.1126/science.adg7470
  17. Díaz S, Settele J, Brondízio ES, Ngo HT, Agard J, Arneth A, et al.
    Science, 2019 12 13;366(6471).
    PMID: 31831642 DOI: 10.1126/science.aax3100
    The human impact on life on Earth has increased sharply since the 1970s, driven by the demands of a growing population with rising average per capita income. Nature is currently supplying more materials than ever before, but this has come at the high cost of unprecedented global declines in the extent and integrity of ecosystems, distinctness of local ecological communities, abundance and number of wild species, and the number of local domesticated varieties. Such changes reduce vital benefits that people receive from nature and threaten the quality of life of future generations. Both the benefits of an expanding economy and the costs of reducing nature's benefits are unequally distributed. The fabric of life on which we all depend-nature and its contributions to people-is unravelling rapidly. Despite the severity of the threats and lack of enough progress in tackling them to date, opportunities exist to change future trajectories through transformative action. Such action must begin immediately, however, and address the root economic, social, and technological causes of nature's deterioration.
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