Microplastics found in Nile River"s tilapia fish
The Nile is one of the world's most famous rivers. It's also Africa's most important freshwater system. About 300 million people live in the 11 countries it flows through. Many rely on its waters for agriculture and fishing to make a living......»»
We"ve found a way to help endangered eels overcome dams and weirs
The European eel Anguilla anguilla, a sleek, snake-like fish with a fascinating life cycle, once teemed in rivers. But their numbers have plummeted by more than 95% since the 1980s......»»
Insecticides contribute to drop in butterfly species across US MidWest: Study
Insecticide use is a major factor causing a decrease in the size and diversity of butterfly populations across the US Midwest, reports Braeden Van Deynze of the Washington Department of Fish and Wildlife and colleagues in a study published June 20 in.....»»
Nigeria"s mountain streams are a haven for special creatures—they need protection
Nigeria has many freshwater ecotourism attractions. Among them are the Ikogosi warm spring, the Osun-Osogbo river, and the Olumirin, Owu, Arinta and Ekor waterfalls......»»
New species of Callicarpa discovered in Hunan, China
Callicarpa L. (Lamiaceae) consists of 140 species that are trees or shrubs, and there are about 53 species in China, mainly distributed south of the Yangtze River. Some plants of Callicarpa are used as traditional medicine in China. In addition, they.....»»
The fading boundary between farmers and tigers in the Himalayas
A river in the foothills of the Himalayas separates tigers and farmers and nurtures both wildlife and agriculture. But now that the river is drying up, conflicts between the two are increasing, endangering the habitat of both. River scientist Kshitiz.....»»
Researchers find wave activity on Titan may be strong enough to erode the coastlines of lakes and seas
Titan, Saturn's largest moon, is the only other planetary body in the solar system that currently hosts active rivers, lakes, and seas. These otherworldly river systems are thought to be filled with liquid methane and ethane that flows into wide lake.....»»
Study shows fish may use punishment to promote help from their offspring
While there is an increasing consensus among humans that corporal discipline of children does more harm than good, fish may disagree......»»
Respectful canoeing means acknowledging Indigenous authority over the land and water
In a satirical look at canoeing in Canada, Ojibway comedian and author Drew Hayden Taylor once joked that "every time a non-native person whitewater canoes down the Madawaska River, or goes kayaking off Tobermory, they should first take an Aboriginal.....»»
A novel method for measuring nano/microplastic concentrations in soil using spectroscopy
Nano and microplastics are a well-known menace, found practically everywhere in nature, including soil, oceans, drinking water, air, and even the human body. Studies show that soils in particular hold a significant portion of N/MPs......»»
Illegal gold mining eats into Peruvian Amazon
On the banks of the Madre de Dios river, dredges work day and night in search of gold, part of a scourge of illegal mining that is slowly devouring the Peruvian Amazon......»»
An earthquake changed the course of the Ganges: Could it happen again?
A major earthquake 2,500 years ago caused one of the largest rivers on Earth to abruptly change course, according to a new study. The previously undocumented quake rerouted the main channel of the Ganges River in what is now densely populated Banglad.....»»
A scientific mission to save the sharks
Despite protection measures, these fish are among the most endangered animals. Enlarge (credit: RamonCarretero/Getty) A hammerhead shark less than one meter long swims frantically in a plastic container aboard a boat in.....»»
Researchers harvest acid from seawater to feed beneficial algae
From the air you breathe to the seafood you eat, marine algae have some involvement—they consume carbon dioxide and produce oxygen through photosynthesis and feed fish and shellfish. One day, marine algae could also be used to make widely available.....»»
Survey shows decline in North Dakota breeding duck numbers
The North Dakota Game and Fish Department's 77th annual spring breeding duck survey conducted in May showed an index of about 2.9 million birds, down from 3.4 million last year......»»
NASA"s Perseverance fords an ancient river to reach science target
Originally thought of as little more than a route clear of rover-slowing boulders, Neretva Vallis has provided a bounty of geologic options for the science team......»»
Paleontologists identify a new fossil fish genus
Gobies or Gobioidei are one of the most species-rich groups of marine and freshwater fish in Europe. Spending most of their lives on the bottom of shallow waterbodies, they make substantial contributions to the functioning of many ecosystems......»»
Thousands of fish dead as lake dries in Mexican drought
Thousands of fish have died as a lagoon in northern Mexico partly dried up amid a crippling drought plaguing the country......»»
Fish and chips on Mars: Research shows how colonists could produce their own food
Humans can't help being fascinated by space. That interest seems to be making the possibility of moving humanity to another planet, like Mars or the moon, more distinct, with NASA hoping to set up colonies in the next few decades......»»
Researchers find rare organ preservation in Brazilian fossil fishes
Fossils in Brazil indicate a more complex evolutionary history for ray-finned fish brains than previously anticipated, according to new research......»»
Investigating collective motions in schools of zebrafish could deepen understanding of active systems
Active systems display a wide range of complex and fascinating behaviors, many of which are not yet fully understood. Found on scales ranging from microbes and self-propelling particles to large groups of fish, birds, and mammals, they are made up of.....»»