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Tag: "despite" at biology news

Salty oceans provide early warning for climate change

... speed up ocean circulation in the North Atlantic, despite the two areas being thousands of kilometres apart. “A salt surge is enough to kick start circulation,” says Zahn. Meanwhile, a decrease in saltiness in South African waters could be linked to a slowing down of the North Atlantic circulation. Model...

New findings challenge established views on human genome

...s that perform the similar functions among species despite having sequences that appear dissimilar. Other highlights of the ENCODE work include: Identification of numerous previously unrecognized start sites for DNA transcription. Evidence that, contrary to traditional views, regulatory sequences a...

Runners -- Let thirst be your guide

...miting fluid intake while exercising, he says. But despite this knowledge, Verbalis points out that “unfortunately, we are not seeing this condition go away." “The public’s impression of the amount of water that is necessary to drink for good health is not based on real factual data,” he says. “Many in ou...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...t of a treatment based on insulin injections. Yet, despite enormous research efforts led by scientists worldwide, the cellular function of numerous proteins is still unknown. To reveal this function, scientists perform various genetic manipulations to increase or, conversely, decrease the production of a cer...

CU study reveals why starling females cheat

...y much less often than other cooperative breeders, despite the dual potential benefits for females in seeking extra-pair mates. "In most avian cooperative breeders, 40 to 60 percent of offspring are a result of extra-pair matings, but in superb starlings, only about 14 percent of the offspring are fathere...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...lls left I lost my appetite and felt desperate…but despite the uncertainty I continued to take my treatment at the correct hour… When I had only one pill left I had the courage to go out and seek some more treatment. I went to see nurse who informed me that she would be able to distribute antiretrovirals; wi...

More recycling on the farm could reduce environmental problems

... manure storage that contaminates groundwater. Yet despite similarities, Pearson's concept of regenerative agriculture is distinct from organic farming; for example, regenerative agriculture could use some chemically treated fertilizer and would exploit robotic systems. The approach would entail more use ...

Why do oysters choose to live where they could be eaten?

...al Monographs, a team of scientists has found that despite the risk of being eaten by cannibalistic adults, oyster larvae choose to settle in areas of high oyster concentrations to take advantage of future benefits of increased reproductive capacity when they mature. "Oyster larvae make a life or death de...

Study shows dramatic increase in Caesarean sections

...ming a caesarean section." Dr Pennell said that despite improvements in surgical and anaesthetic techniques, a number of studies show that caesarean sections are still associated with an increased risk of maternal and infant death and health complications. "These data illustrate how a medical interven...

Detecting poisons in nectar is an odour-ous task for honeybees

...d a reduced need to detect and learn about toxins, despite the fact that some floral nectar contains toxins. Work carried out by Dr Wright and colleagues suggests that honeybees may have the ability to react to toxins, even if they cannot taste them. Researchers found that both the sugar content and the ...

Rare cell prevents rampant brain activity

... such as epilepsy, schizophrenia, and anxiety. But despite the fact that excitatory synapses are much more common than their inhibitory counterparts, the system is generally kept in a state of equilibrium. Just how the brain manages this feat is a puzzle to scientists. Scientists at Karolinska Institutet...

Transfusion expert urges wider use of filtered blood

...ite cells from blood is called leukoreduction. But despite the recommendations of two national advisory commi...cal examination of a patient," Blumberg said. "But despite much scientific evidence that supports this notion, millions of people today are still receiving tra...

In obesity, brain becomes 'unaware' of fat

...In most adults, body weight is relatively constant despite large variations in daily food intake and energy expenditure, Cowley explained. Energy balance is regulated by neural and hormonal signals that are integrated in the brain. Leptin sends signals to the brain about the body’s fat reserves, modifying...

Drug-resistant bacterial infections serious complication after corrective eye surgery

...oped an infection in his left eye that grew worse, despite treatment, until his vision was only 20/400. When the infection was cultured and found to be MRSA, his antibiotics were changed and his vision recovered to 20/200 over the next two weeks. The patient is awaiting further surgical treatment. Writing...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...enefit from an ICD is still not standard practice, despite Medicare coverage for one form of the test. Chan, Chow and their colleagues hope that their study -- and larger studies now under way or planned -- will lead to routine use of MTWA testing, which is much like a standard treadmill "stress test" fa...

Massive coral death attributed to earthquake

...ll preserved we could still identify each species, despite these colonies having been exposed for two years. Some species suffered up to 100 percent loss at some sites, and different species now dominate the shallow reef." "This is a unique opportunity to document a process that occurs maybe once a century ...

Fitness has fallen since the days of Ancient Greece

...may not be as fit as the people of ancient Athens, despite all that modern diet and training can provide, according to research by University of Leeds (UK) exercise physiologist, Dr Harry Rossiter. Dr Rossiter measured the metabolic rates of modern athletes rowing a reconstruction of an Athenian trireme, a ...

Renegade RNA -- Clues to cancer and normal growth

... these results demonstrate for the first time that despite their tiny size, microRNAs contain elements consisting of short stretches of nucleotide building blocks that can control their behavior in a cell. Mendell hopes to take advantage of the built-in "cellular zip code" discovered in miR-29b as an experim...

Genetic pathways to curable and incurable forms of pancreatic cancer identified

...stic ductal pancreatic cancer behaves differently, despite carrying the same basic genetic mutations as the more common and deadly type of ductal pancreatic cancer, has long been a mystery. Now researchers at Fred Hutchinson Cancer Research Center have unlocked the genetic reason why. Using unique mouse mod...

'Night owls' report more insomnia-related symptoms

...rt more pathological symptoms related to insomnia, despite many having the opportunity to compensate for their nocturnal sleeplessness by extending their time in bed and being able to gain more total sleep time, according to a study published in the April 15th issue of the Journal of Clinical Sleep Medicine ...

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