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18:02 EST 22nd November 2019 | BioPortfolio

The US National Library of Medicine and National Institutes of Health manage which comprises of more than 29 million records, papers, reports for biomedical literature, including MEDLINE, life science and medical journals, articles, reviews, reports and  books.

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Showing PubMed Articles 1–25 of 347 from Science (New York, N.Y.)

Global trends in antimicrobial resistance in animals in low- and middle-income countries.

The global scale-up in demand for animal protein is the most notable dietary trend of our time. Antimicrobial consumption in animals is threefold that of humans and has enabled large-scale animal protein production. The consequences for the development of antimicrobial resistance in animals have received comparatively less attention than in humans. We analyzed 901 point prevalence surveys of pathogens in developing countries to map resistance in animals. China and India represented the largest hotspots of r...

Linkages between flow regime, biota, and ecosystem processes: Implications for river restoration.

River ecosystems are highly biodiverse, influence global biogeochemical cycles, and provide valued services. However, humans are increasingly degrading fluvial ecosystems by altering their streamflows. Effective river restoration requires advancing our mechanistic understanding of how flow regimes affect biota and ecosystem processes. Here, we review emerging advances in hydroecology relevant to this goal. Spatiotemporal variation in flow exerts direct and indirect control on the composition, structure, and...

The human imperative of stabilizing global climate change at 1.5°C.

Increased concentrations of atmospheric greenhouse gases have led to a global mean surface temperature 1.0°C higher than during the pre-industrial period. We expand on the recent IPCC Special Report on global warming of 1.5°C and review the additional risks associated with higher levels of warming, each having major implications for multiple geographies, climates, and ecosystems. Limiting warming to 1.5°C rather than 2.0°C would be required to maintain substantial proportions of ecosystems and would hav...

Comment on "Revised paleoaltimetry data show low Tibetan Plateau elevation during the Eocene".

Botsyun (Research Articles, 1 March 2019, eaaq1436) have suggested that the Tibetan Plateau was low (substantially less than 3000 meters) during the Eocene, based on a comparison of oxygen isotope proxy data with isotope-enabled climate model simulations. However, we contend that their conclusions are flawed as the result of a number of failings of both the modeling and the data comparison.

Response to Comment on "Revised paleoaltimetry data show low Tibetan Plateau elevation during the Eocene".

Valdes contest our results, suggesting failings in our modeling approach as well as in our comparison with data. Although their comment points to interesting ideas of improvement, we find that their critique reflects an incomplete understanding of our methods and is not supported by the material they provide.

400 years and (re)counting.

News at a glance.

Billions of North American birds have vanished.

New deals could help scientific societies survive open access.

Dust from asteroid breakup veiled and cooled Earth.

EPA plan to end animal testing splits scientists.

Face of the mysterious Denisovans emerges.

A new 'Blob' menaces Pacific ecosystems.

GM mosquito study draws fire.

Sickle cell drug raises hopes and doubts.

Renewable bonds.

A climate intelligence arms race in financial markets.

An aging phenotype in the wild.

An atomic-scale view of cyclocarbon synthesis.

Countering opioid side effects.

"Weyl"ing away time-reversal symmetry.

Cleaning up plastic pollution in Africa.

Changes in antibiotic resistance in animals.

John Robert Schrieffer (1931-2019).

Solve the biodiversity crisis with funding.

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