Analysis of ancient mitochondrial DNA (mtDNA) has been used to establish migration and population patterns for American indigenous cultures during the time before Christopher Columbus sailed to the Americas. New research ...
Biotechnology
Apr 23, 2012
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Earth and environmental scientists have reported that, as human socio-economic activities increase, greenhouse gas emissions will rise, leading to more frequent extreme weather events such as droughts and floods. However, ...
Earth Sciences
Jun 21, 2024
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24
Built some 1,700 years ago by the pre-Hispanic Nazca people of Peru, an ingenious aqueduct system of wood and stone still provides farmers with water to this day.
Environment
May 24, 2023
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33
Zircons are common, hardy minerals that can be found in rocks up to 4 billion years old. Their structure and texture can reflect the conditions in which they formed, earning them a reputation as nature's time capsules. And ...
Earth Sciences
Feb 24, 2023
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12
El Nino has been a major driver of societal collapse, various catastrophes and cultural change in coastal Peru for millennia, but it isn't the only culprit. In a new study, University of Maine researchers warn against over-interpreting ...
Archaeology
Aug 18, 2022
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12
Cacao has long been a sought-after raw material for the worlds food industry. At first glance, it therefore seems surprising that biology knows little about the pollination of the cacao tree—although it is precisely this ...
Plants & Animals
Apr 6, 2022
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4
Long one of the country's favorite seafoods, Chile's macha clam has become a victim of its own popularity, with over-exploitation forcing authorities to ban clam fishing in all but a few areas to help stocks recover.
Ecology
Oct 30, 2017
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4
Peru is investigating what killed some 10,000 Titicaca water frogs, a critically endangered species affectionately known as the "scrotum frog," in a river that is feared to be polluted, authorities said Monday.
Plants & Animals
Oct 18, 2016
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2
Many thousands of years ago, as the world slowly began to thaw at the end of the last ice age, the landscapes of southern Peru were quite different than the ones University of Maine's Gordon Bromley finds himself wandering ...
Earth Sciences
Oct 17, 2016
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5
In arid southern Peru, geologists are fighting time and the elements to preserve a precious find: a vast whale cemetery dating back millions of years.
Archaeology
Jul 12, 2012
3
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