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Tag: "bad" at biology news

A natural chemical found in strawberries boosts memory in healthy mice

...setin is readily available in strawberries but the bad news is that because of its natural product status there may be little financial interest in getting it into human clinical trials for diseases associated with memory loss such as Alzheimer's, where the treatment options are currently very limited," ...

Two central mysteries in genome inheritance solved at UCSD

...alled Aurora. "A major question becomes, how are bad attachments detected"" said Desai. "Our results s...udes a protein kinase activator, acts a sensor for bad attachments and relays their presence into kinase activation." A protein kinase transfers a phosph...

Wild tigers need cat food

...he chance, tigers can replenish their numbers; the bad news is that they are not being given that chance in many parts of their range," said WCS’s noted big-cat researcher Dr. Alan Rabinowitz. Earlier this year, WCS launched a new program called "Tigers Forever" that pledges a 50 percent increase in...

New dyslexia theory blames 'noise'

...e studies suggest that children with dyslexia have bad filters for irrelevant data. As a result, they struggle to form solid mental categories for identifying letters and word sounds. Such children may benefit from intensive training under "noisy" conditions to strengthen their mental templates, said...

Evolution and the workaround

...new mechanisms to perform old tasks. Somehow the bad guys find a workaround. That observation led Norman Pavelka, Giulia Rancati, and Rong Li, researchers at the Stowers Institute for Medical Research in Kansas City, MO, to step back and consider the basic process by which cells adapt to the loss of ...

Anticipation plays a powerful role in human memory, brain study finds

...ehavior. "Just the expectation of seeing something bad can enhance the memory of it after it happens." A teacher who struggles with stage fright, for example, might feel anxious before every class she has to teach. The UW-Madison work suggests that the longer she spends dreading her next lecture, the s...

By 2048 all current fish, seafood species projected to collapse

...l Managing Editor Andrew Sugden. "The news is both bad and good. "The strength of this paper lies in the breadth of the array of information the authors used for their analysis; they not only used new experimental data and recent data, they also delved into historical archives to assess the impact of h...

Researchers show that veins stiffen as we age

...aking joints and hardening of the arteries weren't bad enough, a research team from the University of Delaware and the Christiana Care Health System in Newark has now confirmed that even our veins stiffen as we age. "When you are young, your veins are nice and elastic--like rubber bands," William Farqu...

Widely used hepatitis B drug spurs HIV drug resistance

... use entecavir to treat their hepatitis B, but the bad news is that there are now fewer options for treating hepatitis B first," she adds. Hepatitis B infection attacks the liver and can lead to cirrhosis, liver cancer or even death from liver failure. Entecavir, first marketed in March 2005, has bee...

UCLA: How does your brain respond when you think about gambling or taking risks?

...ys were also the most loss-averse. A woman in a bad marriage, Tom said, is not likely to leave unless she has prospects that are much better than what she has. "She's probably not going to leave for something that's only moderately better," Tom said. "She needs to know it's going to be a lot better...

Smokers quit after damage to brain region

...ehaviors. Can a brain lesion cure someone of their bad habits? The answer is not yet known, Bechara said, but he suggested the phenomenon could be "generalizable" with respect to alcohol abuse, overeating and other addictions. The discovery of the insula's role in addiction opens new directions for ...

Cells use 'noise' to make cell-fate decisions

...a new paradigm," suggesting that rather than being bad for biology, cellular noise might have an important function, such as prompting stem cells to transform into a specific tissue type. Electronic noise is an unwanted signal characteristic of all electrical circuits, typically caused by random fluct...

Long-lived deep-sea fishes imperiled by technology, overfishing

...ar," Heppell pointed out, "so when nature throws a bad reproductive year at them, the species can survive... have older fish to replenish the stock when those bad years come." Conversely, Heppell said, good years often can carry the population in a phenomenon ...

Sleep disturbances affect classroom performance

As a night of bad sleep can have an adverse effect on an adult’s per...ence sleep disturbances are more likely to receive bad grades in school. James F. Pagel, MD, of the University of Colorado School of Medicine, examined th...

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

...e modest or minimal benefit and the probability of bad side effects," said Liu. ...

Are journal rankings distorting science?

...ss on readers. Concerns include the fact that a bad paper may be cited because of its infamous errors and that a journal’s rank has no bearing on the quality of individual papers it publishes. But more worrying is the trend towards using impact factors to guide decisions on research funding. This has ...

Twin studies reveal genetic components leading to cardiac and kidney disease

... million little ‘baskets?or ‘sieves?filter out the bad chemicals without leaking ‘good?cells or proteins," said O’Connor, adding that how well these filters work appears to be a heritable factor. Albumin leaks are an indication that the permeability of these filters has increased, allowing leakage of...

Post oak grasshoppers emerging

...e." If hordes of grasshoppers on houses aren't bad enough, they make their presence even more obnoxious by leaving frass -- or insect excrement -- behind, which often leaves a near-permanent stain, Behmer said The stain is the result of tannins -- the compound used in tanning leather -- which are fou...

Climate change could trigger 'boom and bust' population cycles leading to extinction

...en several "good years" in a row are followed by a bad year. "It's almost paradoxical, because you'd think a large population would be better off, but it turns out they're more vulnerable to a drop in resources," says Wilmers. Understanding how environmental changes influence fluctuations in animal po...

Putting an old drug to a new use

...iciencies are dangerous, but also too much iron is bad for our health. Our body stores excess iron in various tissues, where it can lead to organ failure and even death if not treated before irreversible damage has occurred. Researchers from the Innsbruck Medical University, the University of Heidelberg,...

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