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Tag: "grey" at biology news

The secret lives of whales

...abundance of whale falls on the sea floor ?say for grey whales in the northeast Pacific, the neighboring whale falls are about 5-10 kilometers away, which is a very reasonable dispersal distance for the animals that live on them,?says Smith. In the North Atlantic, where only 10% of historic populations o...

New technique could alter field of mouse genetics

...me that changes the coat color of a white mouse to grey or black. The transposon acts as a genetic beacon, so researchers can easily track its location without having to sequence the entire genome, as can happen with the chemical mutagen technique. In three months, the two graduate students who led the p...

GROWing the next generation of water recycling plants

...and Physical Sciences Research Council. So-called grey water from washbasins, baths and showers is pumped...of specially chosen plants that gently cleanse the grey water. Trickling through the GROW framework, the plants' roots naturally take up the dissolved pollu...

Computers to save unique type of American red squirrel

... Here, the reds' biggest threat is the introduced grey squirrel, which out-competes them for food and transfers a deadly virus. In the US, the new computer model, which mimics population dynamics in response to different threats, will help evaluate and refocus existing efforts to save Mount Graham Red ...

There's something fishy about human brain evolution

...th an energy source for the rapidly growing infant grey matter, and also, says Dr. Cunnane, a greater concentration of DHA per pound than at any other time in life. Aquatic foods are also rich in iodine, a key brain nutrient. Iodine is present in much lower amounts from terrestrial food sources such as m...

Exotic crab poised for widespread UK invasion

...ourable. "With most invasive species, such as the grey squirrel, the problem is not recognised until it is too late to do anything and you can not eliminate it without taking drastic environmental measures. "This study shows there is a need for a monitoring system for the mitten crab which could help ...

Virus has 'catastrophic' affect on red squirrels, research shows

...ival challenge was believed to be competition with grey squirrels over resources. However, this research ... effective way of stopping the spread is to target grey squirrel control at the narrow entry points and corridors to England's 16 designated red squirrel re...

Ongoing collapse of coral reef shark populations

...atus of two species of reef shark—the whitetip and grey reef sharks—by employing a unique combination of fisheries-independent abundance estimates and measurements of the survival and reproduction of individual sharks. Their findings show that reef shark abundance on reefs open to fishing are about ten ti...

The great escape -- fleeing fish fall in line

...speed camera to record responses in schools of ten grey mullet each. Individuals within a school were the... intervals on a total of seven separate schools of grey mullet. Interestingly, results suggested that there is a trend for individual fish to maintain a gi...

Brain works more chaotically than previously thought

...eave the white "cable duct" they enter the brain's grey matter where they encounter their receptor dendrit.... "We think, however, that on their way though the grey matter the axons probably release glutamate at other points apart from the synapses," Dietrich specu...

Boosting brain power -- with chocolate

...-rich cocoa beverage was associated with increased grey matter flow for two to three hours. "The demonstration of an effect of consuming this particular beverage on cerebral blood flow raises the possibility that certain food ingredients may be beneficial in increasing brain blood flow and enhancing b...

Health Canada approves cold and flu medicine

...all natural health products. Although there are grey areas between the definitions of drugs and natural health products in general, the major distinction is that natural health products are derived from natural sources. Natural health products require the same degree of scientific evidence as drugs to ...

Flavanols in cocoa may offer benefits to the brain

...verage was associated with increased blood flow to grey matter for 2 to 3 hours,?Macdonald said. “This raises the possibility that certain food components like cocoa flavanols may be beneficial in increasing brain blood flow and enhancing brain function among older adults or for others in situations wher...

Growth hormone is not the anti-aging bullet for healthy adults

...ency syndrome. Its use for anti-aging falls into a grey area. The FDA prohibits drug companies from marketing GH for off-label uses such as anti-aging. Yet thousands of adults use GH as an anti-aging drug. One estimate is that 20,000 to 30,000 adults used it for anti-aging purposes in the United State...

Research on grey mould offers possible breakthrough in tomato cultivation

...varieties without having to use pesticides against grey mould (Botrytis cinerea). This is the conclusion o...thods whereby tomato varieties can be resistant to grey mould. The leading company De Ruiter Seeds is already applying these methods in its breeding program...

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