BlogArena

General blog about anything and everything of everyday's life.

15. Nov 2019

December 21, 2014
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Predators and isolation shape the evolution of ‘island tameness,’ providing conservation insights

ANN ARBOR — Charles Darwin noted more than 150 years ago that animals on the Galapagos Islands, including finches and marine iguanas, were more docile than mainland creatures. He attributed this tameness to the fact that there are fewer predators … Continue reading

December 4, 2014
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Live longer? Save the planet? Better diet could nail both

New study shows healthier food choices could dramatically decrease environmental costs of agriculture As cities and incomes increase around the world, so does consumption of refined sugars, refined fats, oils and resource- and land-intense agricultural products such as beef. A … Continue reading

August 20, 2014
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Tiniest Catch: UA Scientists’ Fishing Expedition Reveals Viral Diversity in the Sea

Using bacteria as bait, UA scientists caught wild ocean viruses and found that the genetic lines between virus types in nature are less blurred than previously thought. A fishing expedition of microscopic proportions led by University of Arizona ecologists revealed … Continue reading

March 14, 2014
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Warmer temperatures push malaria to higher elevations

ANN ARBOR — Researchers have debated for more than two decades the likely impacts, if any, of global warming on the worldwide incidence of malaria, a mosquito-borne disease that infects more than 300 million people each year. Now, University of … Continue reading

November 14, 2013
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Mutual benefits: Stressed-out trees boost sugary rewards to ant defenders

ANN ARBOR — When water is scarce, Ecuador laurel trees ramp up their investment in a syrupy treat that sends resident ant defenders into overdrive, protecting the trees from defoliation by leaf-munching pests. The water-stressed tropical forest trees support the … Continue reading

October 10, 2013
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The Failing Freezer: How Soil Microbes Affect Global Climate

With a $3.9 million grant from the U.S. Department of Energy, a UA-led international collaboration studies how microbes release greenhouse gases as they gain access to nutrients in the soil thawing under the influence of warmer global temperatures. The U.S. … Continue reading

July 11, 2013
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UA Study: Evolution Too Slow to Keep Up With Climate Change

A study led by a UA ecologist has found that many species evolve too slowly to adapt to the rapid climate change expected in the next 100 years. Many vertebrate species would have to evolve about 10,000 times faster than … Continue reading

July 9, 2013
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Deep Biosphere Harbors Active, Growing Communities of Microorganisms

The deep biosphere—the realm of sediments far below the seafloor—harbors a vast ecosystem of bacteria, archaea, and fungi that are actively metabolizing, proliferating, and moving, according a new study by scientists at Woods Hole Oceanographic Institution (WHOI) and the University … Continue reading