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Tag: "rest" at biology news

Amateur boxing linked to brain cell injury

...after a bout and again three months later, after a rest from boxing. At the first assessment, the boxers reported how many hits to the head they received during the match and underwent physical and neurologic examinations; none showed signs of brain injury. The researchers also tested the cerebrospinal ...

Small, smaller, smallest -- The plight of the vaquita

...ical barriers to prevent them from moving into the rest of the Gulf. However, there is no evidence that the vaquita’s overall range has changed in historic times. Acoustic surveys suggest that vaquitas are not only limited to the north-western Gulf all the year-round, but also that their current distribut...

Artificial cornea offers better results for infants, some blind patients

...patients use antibiotic eye drops each day for the rest of their lives to prevent infection. The current procedure is less invasive and cumbersome than some other efforts to implant artificial corneas. In the procedure carried out by Aquavella and other surgeons 30 years ago, physicians would remove a ...

Plants give up answers in the war on bacteria

...to know, he explained, whether foodborne illnesses rest on the surface of an edible plant, or nestle inside, impervious to washing. "We are thinking about the mysteries of plant pathologies, but these have broad implications," He said. "We haven't understood very well how plants and bacteria interact, b...

Tracing the formation of long-term memory

...This method gives the fly a training trial, then a rest and then another trial. The rest is critical in inducing long-term memory that can last days. In this study, the five spaced trials p...

PET imaging shows young smokers quick benefit of quitting

...Myocardial (heart) blood flow was measured both at rest and during stimulation induced by a cold pressor test by using PET with the oxygen tracer called 15O-water. Additional research is necessary, said Tamaki. "We would like to compare the current information with data from middle-aged smokers to see whe...

Sequencing of the oyster mushroom genome

... order the sequenced fragments and co-ordinate the rest of the project tasks. From the Navarre university, the resulting computer archive of the sequencing, containing the definitive "pages of letters" for the genetic code, will be then distributed to the other participating laboratories in order to car...

Weighty viruses

...cords the flight path of the trapped particle. The rest of the light goes to a measuring device that precisely analyzes the scattering signal. The scattered light is different from the initial light beam because the virus particle in the electric field of the ion trap begins to oscillate. This oscillation...

Neuron cell stickiness may hold key to evolution of the human brain

... for the capabilities that distinguish us from the rest of the animal kingdom," said Rubin. "We have long suspected that it would be a combination of DNA sequences coding for genes and DNA sequences that control when genes are switched on or off. In this study by comparing the entire genome of many orga...

Dopamine used to prompt nerve tissue to regrow

...ssengers) to communicate between the brain and the rest of the body, he could build neurotransmitters into the material used to repair a broken circuit. The neurotransmitters could coax the neurons in the damaged nerves to regrow and reconnect with their target organ. Strange though his idea might have...

Microbes compete with animals for food by making it stink

...pool of warm water ?some of it for one day and the rest for two days. They also baited other traps with fr...y waiting on the bottom of the marsh floor for the rest of the community to deliver feces and other wastes that are not useful to anybody else," he added. "...

St. Jude announces breakthrough in eye cancer treatment

...umor and preventing its spread from the eye to the rest of the body." The discovery that blocking MDMX releases the apoptosis response in retinoblastoma has important implications for certain forms of adult cancers as well. "Some forms of breast, lung, prostate and colon cancer are caused by abnormally...

Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal

...lood is in the aorta, it can be transported to the rest of the body. Patients were treated with drugs which encourage reverse remodelling of the heart, prevent atrophy and prevent the heart from shrinking beyond its desirable size. The drugs used were lisinopril, carvedilol, spironolactone and losartan...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...ously reported for captive emperor penguins during rest within their thermo neutral zone, of about 37.5°C to 38°C. This temperature range corresponds to the core temperature recorded at mid-pairing (from 37.1 to 38.1°C). A core temperature reduction during the pairing period to 36.5°C and a mean core temp...

Protein averts cell suicide but might contribute to cancer

...mes fix 80 percent or more of this damage, but the rest remains. Cells use Y-family enzymes to bypass that remaining damage when making new DNA prior to cell division, thus forcing these enzymes to copy damaged DNA. How these bypass enzymes work, however, isn't known. The Dpo4 protein used in this...

Breathing easy: When it comes to oxygen, a bug's life is full of it

...as theorized. Insects close their spiracles during rest to avoid an overdose of oxygen, which can result in the production of free radicals which cause tissue damage, he has said. His work could have applications to insect control in agriculture. Jake Socha, Argonne National Laboratory, Chicago, and th...

Cholera pathogen reveals how bacteria generate energy to live

...t of their lives outside their hosts. Study of the rest of the life cycle could be important in disease prevention. "We have to know the enemy," Barquera said. As it stands, "We are trying to kill our enemies with very little knowledge." ...

Smokers quit after damage to brain region

...tudy shows that the pleasure of smoking appears to rest on this platform. "It's really intriguing to think that disrupting this region breaks the pleasure feelings associated with smoking," said Damasio, director of the institute and holder of the David Dornsife Chair in Neuroscience at USC. "It is im...

A first glimpse of the influenza replication machine

..., "but this will require a detailed picture of the rest of the polymerase. This is what we are aiming for in our new FLUPOL project. In a joint effort with other European laboratories, and with financial support by the European Commission, we will explore both structure and function of this key drug targe...

Birds found to plan for the future

...ther, before being allowed free access to food the rest of the day. On the sixth day of the experiment they were suddenly given whole pine nuts suitable for caching in the evening. The researchers observed that the jays consistently cached most pine nuts in the tray in the ‘no breakfast?compartment, antic...

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