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streambeds in Biological News

Healthy rivers needed to remove nitrogen

...ntered the river if that ecosystem was healthy. Tiny organisms such as algae, fungi and bacteria that may live on rocks, pieces of wood, leaves or streambeds can take up, or absorb about half of the nitrogen on average that humans currently put into the sampled river sites, according to Sherri Johnson, a ...

Habitat microstructure drives salamander metamorphosis

...etamorphoses into a more terrestrial adult form in streambeds composed of fine, tightly packed gravel but retains its juvenile, or paedomorphic, form in streambeds made of large, loosely packed particles. This stud...ts show that paedomorphic salamanders prevailed in streambeds made of large well-sorted gravel, whereas metamorp...

New class of antibiotics effective against drug-resistant bacteria discovered in fungi

... and aquifer sediments, a surprising finding from water samples from streams receiving runoff is that low concentrations of arsenic are transported to streambeds instead of being retained by the aquifers, Schreiber said. "We think that the arsenic is adsorbed onto nanoscale particles that pass though our filter...

Geoscientists follow arsenic from chicken feed to streambeds

... and aquifer sediments, a surprising finding from water samples from streams receiving runoff is that low concentrations of arsenic are transported to streambeds instead of being retained by the aquifers, Schreiber said. "We think that the arsenic is adsorbed onto nanoscale particles that pass though our filter...

Freeze-dried mats of microbes awaken in Antarctic streambed

...to frozen lakes on the valley floor, she said. The streambeds contain photosynthetic microbes known as cyanobact...nnel had higher growth rates than mats in adjacent streambeds receiving annual summer water flow, she said. The ...f a cooling trend in the McMurdo Dry Valleys, some streambeds that normally have annual summer flows have been d...
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(Date:4/18/2014)... Medicine scientists could lead to potential new treatments for ... scleroderma. , Fibrosis, or scarring, is a hallmark ... and lungs can lead to serious organ damage and, ... therapeutic options centers on findings made by Swati Bhattacharyya, ... role that a specific protein plays in promoting fibrosis. ...
(Date:4/17/2014)... identified new pain relief targets that could be ... researchers at King,s College London made the discovery ... the periphery of the body. , Dr Marzia ... mechanisms underlying pain generation and our findings could ... effects." , One potential side effect of some ...
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(Date:4/17/2014)... NY (April 16, 2014) The cause of neuronal ... new study proposes that neurons may be mistaken for ... system, similar to the way autoimmune diseases like type ... body,s cells. The study was published April 16, 2014, ... new, and likely controversial, idea in Parkinson,s disease; but ...
Breaking Medicine News(10 mins):Health News:New clues on tissue scarring in scleroderma 2Health News:New pain relief targets discovered 2Health News:The ilk of human kindness 2Health News:Building 'smart' cell-based therapies 2Health News:Is Parkinson's an autoimmune disease? 2
(Date:4/17/2014)... State University engineer has developed a patented technique ... explosive devices. The same technique could help police ... M. and Kay L. Theede chair in engineering ... and his research team have created a template-based ... car trunks. The distance detection method called ...
(Date:4/17/2014)... parasites and pathogens that devastate honeybees in Europe, Asia ... but do not appear to be impacting native honeybee ... of researchers., The invasive pests include including Nosema ... African honeybees appear to be resilient to these invasive ... to control pests in Europe, Asia and the United ...
(Date:4/17/2014)... reporting in the Cell Press journal Current Biology ... with rather novel sex lives. The Brazilian insects, which ... Neotrogla , are the first example of an ... has been identified in several different animals, Neotrogla ... organ is also reversed," says Kazunori Yoshizawa from Hokkaido ...
Breaking Biology News(10 mins):Patented research remotely detects nitrogen-rich explosives 2East African honeybees are safe from invasive pests… for now 2East African honeybees are safe from invasive pests… for now 3In sex-reversed cave insects, females have the penises 2
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