Triangles Go Underwater and Supersonic
(PhysOrg.com) -- The seemingly effortless way dolphins and porpoises slice through the water and the unique capabilities of the supersonic Concorde airplane have more in common than one might think.
View ArticleThe Amazon River is 11 million years old
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...
View ArticleThousands of plant species likely to go extinct in Amazon
As many as 4,550 of the more than 50,000 plant species in the Amazon will likely disappear because of land-use changes and habitat loss within the next 40 years, according to a new study by two Wake...
View ArticleScientists discover Amazon river is 11 million years old
Researchers at the University of Liverpool have discovered that the Amazon river, and its transcontinental drainage, is around 11 million years old and took its present shape about 2.4 million years ago.
View ArticleCentral Africa's tropical Congo Basin was arid, treeless in Late Jurassic
The Congo Basin -- with its massive, lush tropical rain forest -- was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent...
View ArticleMediterranean Sea filled in less than two years: study
The Mediterranean Sea was mostly filled in less than two years in a dramatic flood around 5.33 million years ago in which water poured in from the Atlantic, according to a study published Wednesday.
View ArticleFirst satellite measurement of water volume in Amazon floodplain
For the first time, scientists have been able to measure the amount of water that rises and falls annually in the Amazon River floodplain.
View ArticleWater mission reveals insight into Amazon plume
(PhysOrg.com) -- ESA's SMOS water mission has taken another step forward by demonstrating that it will lead to a better understanding of ocean circulation. Using preliminary data, scientists can...
View ArticleBrazil unveils fresh aid for Amazon drought
Brazil's government announced new aid of 13.5 million dollars for northern regions hit by the worst drought in decades which has stymied navigation on the Amazon River and tributaries.
View ArticleJaguar-like species of catfish discovered in the Amazon
A series of expeditions to explore the unknown biodiversity of the forests of the northern margin of the Amazon River in Brazil yielded a new species of catfish, researchers from Brazil announced...
View ArticleHuge ocean 'Frisbees' spin off Brazil's coast
As the North Brazil Current (NBC) moves northward along the northeastern coast of Brazil, it draws water from the South Equatorial Current and the freshwater outflow from the Amazon River, providing a...
View ArticleOverfished Amazon fish disperse seeds long distances
(PhysOrg.com) -- The gamitana fish, a close relative of the flesh-eating piranha, mostly eats fruit and can carry seeds down the Amazon River as far as 3 miles (5 kilometers), reports a new Cornell...
View ArticleAmazon deforestation increases six-fold
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.
View ArticleStudy shows best places to protect marine mammals
(AP) -- From sea otters to blue whales, marine mammals are under stress from climate change, ocean acidification, hunting and other threats. Researchers have identified 20 important sites around the...
View ArticleAmazon deforestation on the rise again in Brazil
Deforestation in Brazil's Amazon accelerated in June, with more than 300 square kilometers destroyed, a 17 percent increase over the previous month, government researchers said Tuesday.
View ArticleDeforestation in Brazil's Amazon up 15%
Deforestation in Brazil's Amazon increased by 15 percent during the past 12 months, the National Institute for Space Research (INPE) said.
View ArticleInternet takes 'distance-learning' into the Amazon
The Internet is letting a school sprout in the Amazon where teachers tend not to linger due to harsh living conditions and a scarcity of students.
View ArticleBrazil to boost military presence to protect Amazon
Brazil will boost its military presence in the Amazon region to protect its huge natural resources from any external threat, Defense Minister Celso Amorim told the Senate.
View ArticleAquarius: Ocean salinity pathfinder celebrates one year in orbit
(Phys.org) -- It's been a busy first year in space for Aquarius, NASA's pioneering instrument to measure ocean surface salinity from orbit.
View ArticleFresh water from rivers and rain makes hurricanes, typhoons, tropical...
An analysis of a decade's worth of tropical cyclones shows that when hurricanes blow over ocean regions swamped by fresh water, the conditions can unexpectedly intensify the storm. Although the...
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