Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published Thursday.
Archaeology
Dec 20, 2012
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0
The Araguaian river dolphin of Brazil is something of a mystery. It was thought to be quite solitary, with little social structure that would require communication. But Laura May Collado, a biologist at the University of ...
Plants & Animals
Apr 19, 2019
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34
The electric eel is the biggest power-making creature on Earth. It can release up to 860 volts, which is enough to run a machine. In a recent study, a research group from Nagoya University in Japan found electric eels can ...
Cell & Microbiology
Dec 5, 2023
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392
The Amazon River is slowly stealing a 40,000-square-kilometer (25,000-square-mile) drainage basin from the upper Orinoco River, according to new research suggesting this may not be the first time the world's largest river ...
Environment
Aug 16, 2018
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159
While most developed countries have reduced the construction of large dams for the production of electricity in recent decades, developing countries, including Brazil, have embarked on even more massive hydropower developments.
Environment
Jan 11, 2019
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122
Hundreds of built and proposed hydroelectric dams may significantly harm life in and around the Amazon by trapping the flow of rich nutrients and modifying the climate from Central America to the Gulf of Mexico. These findings, ...
Environment
Jun 14, 2017
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512
The Amazon River originated as a transcontinental river around 11 million years ago and took its present shape approximately 2.4 million years ago. These are the most significant results of a study on two boreholes drilled ...
Earth Sciences
Jul 7, 2009
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0
(Phys.org)—In the tribal societies of the Amazon forest, violent conflict accounted for 30 percent of all deaths before contact with Europeans, according to a recent study by University of Missouri anthropologist Robert ...
Social Sciences
Oct 2, 2012
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1
Research published in the Proceedings of the National Academy of Sciences shows that conserving rainforests in the Amazon River Basin will increase the amount of electricity that hydropower projects in the area can produce. ...
Environment
May 13, 2013
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0
A sharp increase in forest destruction in March and April in the Amazon has led Brazil to announce the creation of an emergency task force to fight against deforestation.
Environment
May 19, 2011
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