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Earth & Space

showing 16-20 of 85 breaks

Why does biodiversity matter for agriculture?

Nature is a vital service provider for agriculture in many ways. Fruit trees and other pollinator-dependent crops are pollinated by wild insects like bumblebees, solitary bees, or flies. Other insects like predatory ladybugs or ground beetles eat pests that would otherwise damage or even destroy... click to read more

  • Matteo Dainese | Postdoctoral Research Fellow at Institute for Alpine Environment, Eurac Research, Bozen/Bolzano, Italy
  • Emily A. Martin | Postdoctoral Research Fellow at Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Würzburg, Germany
  • Ingolf Steffan-Dewenter | Professor at Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Würzburg, Germany
Views 1251
Reading time 3 min
published on Jun 10, 2020
The proof of the pudding: Past sea-level change

Polar ice sheets are sensitive indicators of Earth's changing climate. They have evolved and changed over the last 50 million years in response to a long-term cooling trend that resulted from decreasing carbon dioxide in the atmosphere, ultimately producing the ice sheets we see today.... click to read more

  • Georgia R. Grant | Research assistant at Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand; GNS Science, Lower Hutt, New Zealand
  • Molly O. Patterson | Assistant Professor at Binghamton University, State University of New York, Binghamton, NY, USA
Views 1149
Reading time 3.5 min
published on Jun 8, 2020
Honeydew: the sweet that can become toxic

Recent studies have demonstrated that insect populations are in decline. These declines represent serious concern because of the valuable ecosystem services provided by beneficial insects, such as pollination, biological control, nutrient cycling, and providing food sources to higher trophic levels in the food web. One... click to read more

  • Miguel Calvo-Agudo | PhD student at Centro de Protección Vegetal y Biotecnología, Unidad Mixta Gestión Biotecnológica de Plagas, Instituto Valenciano de Investigaciones Agrarias, Moncada, Spain
  • Alejandro Tena | Researcher at Centro de Protección Vegetal y Biotecnología, Unidad Mixta Gestión Biotecnológica de Plagas, Instituto Valenciano de Investigaciones Agrarias, Moncada, Spain
Views 1461
Reading time 3.5 min
published on Jun 5, 2020
Lake mud reveals the fate of an ancient Maya city

The mud that accumulates at the bottom of lakes contains a rich archive of past environments, in part because it preserves much of what is buried with it. It preserves pollen grains that tell us what plants were growing in the watershed. It also preserves... click to read more

  • David Wahl | Research Geographer; Associate Adjunct Professor at U.S. Geological Survey; UC Berkeley, USA
Views 1353
Reading time 3.5 min
published on May 4, 2020
Rapid increase of nuclear weapons in India and Pakistan may lead to local and global catastrophes

India and Pakistan achieved independence from the United Kingdom just after World War II. During the partition of the British Indian Empire, the princely State of Jammu and Kashmir became divided between India, Pakistan and China. India and Pakistan have had four wars over control... click to read more

  • Owen B. Toon | Professor at Department of Atmospheric and Oceanic Sciences, Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado, USA
  • Alan Robock | Distinguished Professor at Department of Environmental Sciences, Rutgers University, New Brunswick, New Jersey
Views 1798
Reading time 4 min
published on Mar 26, 2020