Hunting wild animals has been practised by humans for millions of years; however, the extraction of wildlife for subsistence and commercialisation has become a major biodiversity threat in recent decades. Meanwhile, over-exploitation ...
Ecology
Jan 6, 2020
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A provocative new study looks at the resource utilization and technological strategies that would be needed to make a Mars population of one million people food self-sufficient. A detailed model of population growth, caloric ...
Space Exploration
Sep 24, 2019
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Senior U.S. and military officials are warning Congress about the potential threat to national security from melting ice in the Arctic.
Environment
Jun 5, 2019
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This image from Korea's Kompsat-2 satellite on 8 February 2013 shows an area in the southern Darfur region of Sudan, just south of the city of Nyala.
Earth Sciences
Oct 10, 2014
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(Phys.org) —Two of Alaska's most active volcanoes—Pavlof and Cleveland—are currently erupting. At the time of this post, their activity continues at low levels, but energetic explosions could occur without warning.
Earth Sciences
May 27, 2013
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A small pocket of Western Australia's remote outback is set to become the eye on the sky and could potentially save the world billions of dollars. The Murchison Widefield Array (MWA) radio telescope, unveiled today, Friday ...
Astronomy
Nov 30, 2012
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A researcher at the University of Barcelona has examined the construction of surface transportation infrastructure in Spain from 1720 to 2010. The economist and author of the study, Germà Bel explains how both the construction ...
Economics & Business
Jan 18, 2012
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Scientists have for the first time estimated the physical footprint of human activities on the deep seafloor of the North East Atlantic. The findings published in the journal PLoS ONE reveal that the area disturbed by bottom ...
Environment
Sep 14, 2010
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