Study suggests Mayas utilized market-based economics
More than 500 years ago in the midwestern Guatemalan highlands, Maya people bought and sold goods with far less oversight from their rulers than many archeologists previously thought.
More than 500 years ago in the midwestern Guatemalan highlands, Maya people bought and sold goods with far less oversight from their rulers than many archeologists previously thought.
Archaeology
Jan 5, 2023
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315
Tree regeneration plays an important role in affecting community dynamics and future forest structure and functioning. Seedling growth, as a key part of tree regeneration, is strikingly influenced by multiple abiotic and ...
Plants & Animals
Jan 3, 2023
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34
In Switzerland, tire and road wear particles are one of the biggest sources of microplastics released into the environment, yet the chemical compounds contained in those particles—and their effects—remain largely a mystery. ...
Environment
Nov 25, 2022
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146
Often we simply do not know enough about a species to know how it is doing. On the recognized red list from the International Union for Conservation of Nature (IUCN), thousands of plants and animals are listed as "data deficient."
Plants & Animals
Nov 1, 2022
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49
Global climate change may lead to more extreme weather events such as droughts. To predict the impact of climate change on tropical forests, it is necessary to understand more accurately the effects of drought.
Ecology
Oct 28, 2022
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5
Since ancient times, humans have extracted salts, like table salt, from the ocean. While table salt is the easiest to obtain, seawater is a rich source of different minerals, and researchers are exploring which ones they ...
Materials Science
Sep 23, 2022
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102
Red squirrels are among the most commonly sighted wildlife in European big cities such as Berlin. However, their habitats are more reminiscent of a patchwork quilt full of challenges, a team of scientists led by the Leibniz ...
Plants & Animals
Sep 20, 2022
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5
Global climate change is expected to increase rainfall variability, potentially increasing the frequency of extreme droughts during this century. Intensified drought will impact ecosystem functioning, with many ecosystems ...
Plants & Animals
Sep 5, 2022
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16
The A-level results received by students in 2022 should be celebrated as an example of resilience and hard work. The achievements of this cohort have been made despite a global pandemic which affected both their GCSEs and ...
Economics & Business
Aug 31, 2022
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18
Public involvement is an important component of many invasive species programs. Volunteers perform early detection of invasive species, track their spread, and also play active roles in their capture, control and removal. ...
Ecology
Jul 18, 2022
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7