Tag: "sand" at biology news
Wrapping a memory with an experience, capacity for recollection detected in non-human species
...regano, coffee, chocolate), each mixed in ordinary sand
that hid a buried food reward. Following a 30-minute retention period, they were presented with a series of 20 odors, the 10 "old" odors plus 10 "new" ones. In addition, the animal's decisions were intentionally biased by varying the difficulty of...
Carnegie Mellon researcher tests tools for protecting Anacostia River ecosystem from PCBs
...can be rolled out and placed within a conventional sand
cap, could provide an economic alternative to costly dredging, which can run into the hundreds of millions of dollars, " Lowry said. "The Anacostia was selected because of its history of pollution problems," he said. In fact, American Rivers, a non-p...
Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers
...esh of carbon particles to augment the traditional sand
caps that trap dangerous PCBs in sediments. Org...can be rolled out and placed within a conventional sand
cap, could provide an important alternative to dredging, which is estimated to cost at least $500 mi...
Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2004
...ght into the grid . . . The way growing piles of sand
behave -- with bursts of energy that result in large and small avalanches -- has served as a model for fusion researchers seeking insight into the way magnetically confined plasmas behave in fusion reactors. The same research into self-organizing sys...
Save the rainforest - eat a tree
... Some trees grow on red clay, others on white sand
In the Peruvian rainforest, many trees li...lay soil, while others live on nutrient-poor white sand
soils. In the new study, the scientists transplanted red clay tree species onto white sand
Two billion vulnerable to floods by 2050; number expected to double or more in two generations
...e small islands, flood coastal lowlands, and erode sand
dunes. Upgrade monitoring of extreme events "Most urgently needed to adapt to the growing risk of flood disasters is greater global capacity to monitor and forecast extreme events," Dr. Bogardi says. "Armed with better information, superi...
Mysterious beach closures may be linked to contaminated groundwater, study finds
...people think that, once groundwater passes through sand
and rock, the bacteria are filtered out,'' added c...l sciences at Stanford. ''What we've found is that sand
is really not a filter or a barrier.'' The discovery that contaminated groundwater can discharge int...
Study of Cape Cod Seashore finds off-road vehicles harmful to beach fauna
...that spend part of their life burrowed in the bare sand
behind the wrack where vehicles are instructed to drive," she said. Steinback suggests that one step the Park Service might take to further protect beach fauna is to close beaches to traffic on an alternating schedule, rather than close some beaches ...
OneWorld Health completes enrollment, treatment in Phase III India trial
... government of India. Transmitted by the bite of a sand
fly, VL is a deadly vector (insect)-borne disease that attacks the internal organs. An estimated 1.5 million people worldwide are currently infected; 200 million people are at risk of acquiring VL; and as many as 200,000 people die annually. Left unt...
For a male sand goby, playing 'Mr. Mom' is key to female's heart
... University of Florida scientist reports that male sand
gobies work harder at building nests and taking ca... University of Helsinki in Finland, decided to use sand
gobies to test a theory that males would provide more care for their young if females were present. ...
Three new South American fish identified
...ly stir the river bottoms, scooping up and sifting sand
in their mouths to find invertebrates to eat. "By constantly sifting the bottom, they may have an effect on the invertebrate community and therefore what lives in the area," he explained. Lopez-Fernandez plans to continue similar research of cichli...
Tips from the Journals of the American Society for Microbiology
...xas and California found that the saliva of female sand
flies may be a contributing factor in a disease th...istered injections of salivary gland extracts from sand
flies combined with L. amazonensis. Those mice developed earlier onset of disease, larger lesions, a...
Increased temperature may prevent winter flounder from rebounding in east coast estuaries
...e effect of temperature on the feeding behavior of sand
shrimp preying on juvenile winter flounder. The st...cation and Research program. Predation by the sand
shrimp has been implicated as one of the most significant sources of mortality for recently hatched ...
A joint effort against the Oriental boil
...n vector of the disease is the two-millimetre long sand
fly. A single bite is sufficient to cause an infection. A vaccine or medicinal preventive care is not yet available. Treatment of leishmaniasis is difficult: It is associated with side effects and is expensive which means that it cannot be afforded b...
AGU journal highlights - 6 January 2004
... to have enhanced dust activity. The collisions of sand
and dust particles produce a static electricity-likecharge among the grains that generates radiation that can bemeasured by radio and microwave emissions in the ultra-lowfrequency range. Such triboelectric charging of dust is especiallylikely to disc...
Golfing toward a greener environment
... to nine millimeters in diameter between layers of sand
and peat root mix and gravel, both of which are commonly found beneath golf-green turf. The rubber layer was either five or 10 centimeters thick. The researchers studied the role of these layers in the lab, as well as on the field in three-by-three m...
Ghost crab fossils haunt area beaches
...ry--fossilized ghost crabs--have been found in the sand
between Melbourne Beach and Satellite Beach. Altho... Poor fossilization normally occurs in pure, clean sand
exposed to tidal actions. The same process that produced the coquina ledges found along the shorelin...
A realistic way to save rainforests
...y fatal disease caused by parasites transmitted by sand
fly bites. The chemicals now are being tested in Panama on mice to determine if they are safe, and tests are just starting to determine if they are effective against leishmaniasis in animals. Kursar says the number of plant extracts that become drug...
Snowy plover 'nursery' success earns Resource Stewardship Award
...rs. The proposed enclosure would stretch from wet sand
to dry areas above the tidal zone, but allowed people to walk at the water's edge along the beach. The University of California protects 34 natural reserves in California for its research, education and public service missions. Coal Oil Point Reserv...
Using GPR to estimate tree root biomass
...ions--one with electrically resistive soil of high sand
content." In collaboration with Lisa Samuelson (Auburn University), Butnor and the other researchers used a previously established International Paper study site in Georgia, setting out sample points on plots of loblolly pine that had been fertilized...
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