Vegetation declining on elephants' migration routes in Namibia

A study based on extensive remote sensing data indicates that vegetation near the migration routes of elephants in Namibia has decreased. Human habitation and fences as well as artificial obstacles of other kinds affect the ...

Anthrax arms race helped Europeans evolve against disease

New research from the Cornell College of Veterinary Medicine has revealed how humans evolved greater resistance against anthrax multiple times during history: when they developed a diet of more ruminants, and when agricultural ...

How horses can save the permafrost

Permafrost soils in the Arctic are thawing. As they do, large, additional quantities of greenhouse gases could be released, accelerating climate change. In Russia, experiments are now being conducted in which herds of horses, ...

NASA image: Agricultural fires light up central Africa

It is currently the dry season in the Democratic Republic of the Congo and the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this image on May 24, 2014. MODIS detected hundreds of ...

Grazers and pollinators shape plant evolution

It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic composition ...

Breakthrough discovery could result in fragrant golden harvest

Sandalwood oil - the 'golden harvest' - is one of the world's most valuable essential oils, but increased demand has caused natural populations of sandalwood trees to diminish over the past century through harvesting, grazing ...

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