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canal in Biological News

Fossil teeth of browsing horse found in Panama Canal earthworks

... Rushing to salvage fossils from the Panama canal earthworks, Aldo Rincon, paleontology intern at ... and South Dakota. Expanding the Panama canal waterway to make way for supersized ships is a ... with the University of Florida and the Panama canal Authority, has organized a team of researchers ...

Evolving designer ecosystem sheds light on unintended consequences

... found that construction of artificial lakes and canal systems along with extensive groundwater pumping ... urban center it is today, it built an extensive canal network to bring water from the Salt, Verde, and ... to harness the Salt and Verde rivers and the canal system was expanded to bring more land under ...

Rare albino ratfish has eerie, silvery sheen

... research project examining the food web in Hood canal and Puget Sound. Puget Sound is the nation's ... and headfirst, Reum and Pietsch say. The Hood canal food-web survey, funded by the National Oceanic and Atmospheric Administration and the Hood canal Dissolved Oxygen Program, is led by UW assistant ...

Smithsonian identifies invasive crab species in Panama Canal expansion area

... the third set of locks in Panamas new $5 billion canal expansion project. Mark Torchin, a staff ... project to further expand the canal. The new canal expansion project, formally inaugurated Sept. 3, ... determine whether the crab is ubiquitous in the canal waters and if it is established at other sites. ...

Smithsonian identifies invasive crab species in Panama Canal expansion area

... the third set of locks in Panamas new $5 billion canal expansion project. Mark Torchin, a staff ... project to further expand the canal. The new canal expansion project, formally inaugurated Sept. 3, ... determine whether the crab is ubiquitous in the canal waters and if it is established at other sites. ...

First jaguar photo taken at Smithsonian Research Station in Panama

... Panama Canalis only 25 miles from Panama City on the Pacific end of the canal and the city of Colon on the Atlantic end. Most of Panama's more than 3 ... that swims out there means that jaguars are still moving through the canal area between patches of fragmented forest," said William Laurance, staff ...

Meteorology student SOARS toward excellence, overcomes obstacles

... and Meteorological Laboratory (AOML) comparing the rainfall data at three canal sites around West Palm Beach County, Florida to the nutrient concentrations at each canal site, and an Honors Summer Research Program at the Rosenstiel School ...

Study links low-frequency hearing to shape of the cochlea

... in the cochlea, creating pressure waves that travel along a narrowing canal in the coiled tube-like organ. The canal is one of two main chambers that are created by an elastic membrane that ...

Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod

... projectthe on-site wastewater treatment plant would provide an excellent source of nutrients for the algae, and MMR's location close to the Cape Cod canal would provide a convenient source of seawater as well as a renewable thermal energy source for algae growth and temperature control. We acknowledge ...

Not 1, but 2 kinds of males found in the invasive round goby

... goby, a bottom-dwelling fish which infested the Great Lakes watersheds around 1990. Presently, they are working their way inland through rivers and canal systems and can lead to the decline of native species through competition and predation. Researchers at McMaster University discovered evidence ...

UCLA scientists discover ultrasonic communication among frogs

... of neurobiology and behavior who had been Narins' professor at Cornell University, told Narins he should go to China to see "a frog with an ear canal like a human," Narins recalled. Narins took the advice. Along with colleagues, including Albert Feng from the University of Illinois, ...

Comprehensive genetic study paves way for new blood-pressure medicines

... on chromosome 1p36 there are genes for two peptides with natrium-expelling effects. A lesser-known gene in this area, CLCN6, codes for a chloride canal in the neurons, which was not previously associated with blood-pressure regulation, and in an area on chromosome 17q21 there is the phopholipase ...

Multiple route bone marrow stem cell injections show promise to treat spinal cord injury

... researchers reported on eight patients with SCI (four acute and four chronic) to whom they administered BMCs directly into the spinal column, spinal canal and intravenously for each patient and followed for two years using MRI imaging to assess morphological changes in the spinal cord. "Our objective ...

The 'hole' story

... famed Australopithecus afarensi "Lucy," the pelvis indicates that Homo erectus, which lived in Africa roughly 2 million years ago, had a larger birth canal than originally suspected and could have given birth to babies with bigger brains. Before the female pelvis was found, evidence from the pelvis of ...

The "hole" story

... famed Australopithecus afarensi "Lucy," the pelvis indicates that Homo erectus, which lived in Africa roughly 2 million years ago, had a larger birth canal than originally suspected and could have given birth to babies with bigger brains. Before the female pelvis was found, evidence from the pelvis of ...

Surviving the revolution, easier than withstanding human use and abuse

... began in 1903 and many owners abandoned maintaining their estates and no information on the vegetation was preserved. The creation of the Harlem Ship canal destroyed one marsh; debris from subway excavations filled another to create baseball fields in 1938. Later, another marsh became soccer fields. ...

New study points to agriculture in frog sexual abnormalities

... GAINESVILLE, Fla. --- A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But University of Florida scientists have found the opposite is ...

New study links fate of personal care products to environmental pollution and human health concerns

... Whereas triclosan (TCS) has long captured the attention of toxicologists due to its structural resemblance to dioxin (the Times Beach and Love canal poison), triclocarban (TCC) has ski-rocketed in 2004 from an unknown and presumably harmless consumer product additive to one of todays top ten ...

Smithsonian scientist receives 2008 Medal for Excellence in tropical botany

... herbarium, which houses 70,000 plant specimens. In 1968, she joined the staff of the U.S. Army Tropical Test Center Herbarium. Under the 1979 Panama canal Treaties, this smaller herbarium was relocated to Smithsonian facilities in Panama City. Correa is the co-author of an extensive list of ...

Floating a big idea: MIT demos ancient use of rafts to transport goods

... Dewan said. Her analysis showed that the ancient rafts likely had a cargo capacity of 10 to 30 tons-about the same capacity as the barges on the Erie canal that were once a mainstay of trade in the northeastern United States. Hosler said the analysis is the first paper of its kind to use modern ...

New map outlines risk of zebra mussel invasion

... also need colonies in still water to maintain populations over the long term. In rivers, this means there needs to be an invaded upstream lake, canal or reservoir to supply new larvae. Zebra mussels were first found in the lower Great Lakes in the late 1980s, likely introduced to the United ...

Reconstructing the biology of extinct species: A new approach

... skull samples of each species, measuring the size of each semicircular canal and calculating the radius of curvature. Most of the specimens were ... slow and deliberate to fast and agile. The scientists then compared the canal size of each species to its category of movement. The results ...

Researchers use MRI to predict recovery after spinal cord injury

... within 24 to 48 hours of injury. The research team studied three measurable imaging parameters: maximum spinal cord compression (MSCC), maximum canal compromise (MCC) and length of lesion (LOL). They also looked at other factors, including bleeding within the spine, swelling and soft tissue injury. ...

Darwin's famous finches and Venter's marine microbes

... collected from surface waters during the first phase (or first third) of the voyage, which led the Sorcerer II from Newfoundland through the Panama canal and Galapagos Island on to French Polynesia. Venter’s crew siphoned seawater through a series of increasingly fine filters to collect the microbes, ...

Researchers barcode DNA of Venice museum's vast fungi collection

... part of the Musei Civici Veneziani, a network of 11 museums in Venice. It is housed in the Fontego dei Turchi, a Byzantine-style palace on the Grand canal that dates back to the 12th century. Before it was established as a museum in 1923, it had served as a trading depot for Turkish merchants. ...

MIT engineers probe spiders' polymer art

... to slide past each other easily and squeeze through the spider's ampullate gland. As the silk gel flows from the gland through an S-shaped, tapered canal to the outside of the spider's body, the long protein molecules become aligned and the viscosity (or resistance to flow) drops by a factor of 500 or ...

Stimulation of the semicircular canals can artificially control human walking and balance

... that are part of the vestibular system that assists in orientation and balance. The researchers found that artificial stimulation of semiciruclar canal nerves afforded "remote control" that was accurate enough to keep subjects on pathways and avoiding obstacles while walking blindfolded through ...

Frog’s ear canal may provide insights for understanding human hearing loss

... and the bones of the middle ear must be extremely lightweight in order to transmit ultrasonic vibrations to the inner ear. The presence of an ear canal not only protects A. tormotus' thin and fragile eardrum from the environment, but also lessens the distance between the eardrum and the inner ear, ...

Study uncovers placental microtransfusions lead to transmission of AIDS virus during childbirth

... during labor leads to infection." The new findings indicate that intervening just before birth by such suggested methods as sanitizing the birth canal may not work, he said. A better alternative might be to have pregnant women start taking anti-retrovirals before going into labor. ...

Seeing the forest and the trees

... diversity becomes." The study was based on data from the 120-acre Forest Dynamics Plot, a tropical forest on Barro Colorado Island in the Panama canal run by the Smithsonian Tropical Research Institute that has been surveyed every five years since 1985. Previous studies have found that nearly half ...

Researchers discover stem cell 'guide' that may be key for targeting neural stem cell treatments

... ones. One area is the subventricular zone of the lateral ventricles, which are fluid-filled cavities in both brain hemispheres connected the central canal of the spinal cord. Zhou and his colleagues discovered how PK2 guides the migration of neurons born from neural stem cells from the subventricular ...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

... In California, as much as 100,000 cubic meters of sediment contaminated with selenium, salt and boron remain in the San Luis Drain, a concrete-lined canal originally intended to channel irrigation wastewater from Central Valley farms to the Sacramento River Delta near Antioch. Selenium is considered an ...
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