Fitness in Biological News

Hatchery fish may hurt efforts to sustain wild salmon runs

... Oregon State University. The poor reproductive fitness the ability to survive and reproduce of the ... averaged only 37 percent the reproductive fitness of a fish with two wild parents, and 87 percent the fitness if one parent was wild and one was from a ...

New study finds lowfat chocolate milk is effective post-exercise recovery aid for soccer players

... is an important, yet often neglected, part of a fitness routine. After strenuous exercise, this ... period is critical for active people at all fitness levels to help make the most of a workout and ... and help muscles recover. Increasingly, fitness experts consider chocolate milk an effective (and ...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

... it actually is. This connection between physical fitness and the brain's auditory system may have evolved ... and avoid danger. The team also tested the fitness levels of the listeners and found that those ... Neuhoff. The talk "Strength and cardiovascular fitness predict time-to-arrival perception of looming ...

Physically fit kids do better in school

... examined the relationship between physical fitness and academic achievement in a racially and ... math and English tests increased as the number of fitness tests passed increased, even when controlling for ... this study shows that students who do well on fitness tests also do well on math and English ...

Forced evolution: Can we mutate viruses to death?

... know the recombination rate, mutation rate and fitness function, our formula can analytically predict ... can say exactly how much that helps or hurts the fitness of the population." Deem, Rice's John W. Cox ... a virus or bacterial population by reducing the fitness to negative values. The new mathematical results ...

15-state Southern obesity summit to focus on deadly epidemic

... regarded as the "father of aerobics" for his 1986 fitness book Aerobics. Other participants will include Donna Richardson Joyner, Buns of Steel fitness guru and appointee to the President's Council for Physical fitness and Sports appointee; and Adewale Troutman, M.D., ...

Indiana University research at American Public Health Association meeting

... in a residence hall and students living in a fitness and Wellness Living-Learning Center, a themed ... community that provides students with an onsite fitness facility and educational material -- including a ... students with tools to "internalize that fitness = exercise = healthy food," and to find ways for ...

Bitter-tasting nectar and floral odors optimize outcrossing for plants

... analyses were performed, one focused on female fitness (production rate of seeds in the ovary), the other on male fitness (successful pollination of neighboring plants). ... of the seeds. The scientists measured the male fitness of the four transgenic lines by emasculating ...

Weight Watchers vs. fitness centers

... of lean tissue," said Ball, MU Extension state fitness specialist. "It is advantageous to keep lean ... of cardiovascular disease. Although the fitness center group lost very little weight, they ... the duration of the study, while many of the fitness center participants quit. "These results imply ...

Study: weight-loss tips differ in African-American, mainstream magazines

... at Michigan State University, analyzed 406 fitness and nutrition articles published between 1984 and ... And, while mainstream magazines increased fitness and nutrition coverage during the second decade ... food and nonalcoholic beverage ads outnumbered fitness and nutrition articles 16 to 1 in Ebony, Essence ...

Built-in exercise monitor predicts fitness

... sense of how hard they are working matches what fitness testing equipment tells us, in some cases to the ... between 12 and 15 on the scale to achieve fitness benefits without over-straining. As an individual ... approach could help keen gym-users to hone their fitness and make their exercise regimes more effective, ...

Soccer burns more fat than jogging

... have been subjected to a number of tests such as fitness ratings, total mass of muscles, percentage of ... went up, their blood pressure fell and their fitness ratings improved significantly. Everything we ... is better in a number of ways. The improvement in fitness rating and the increase in total muscle mass were ...

Ants more rational than humans

... whether these are food sources, mates, or nest sites, according to their fitness contribution." "Which means that it would be irrational to prefer choice 'A' to 'B' on Tuesday and then to prefer 'B' to 'A' on Wednesday, if the fitness returns of the two options have not changed." "Typically we think ...

Did the North Atlantic fisheries collapse due to fisheries-induced evolution?

... water. The PLoS ONE paper reports a significant difference in Darwinian fitness (relative survival rate) between shallow-water and deep-water adapted cod. The shallow-water fish have only 8% of the fitness of deep-water fish. This difference can lead to rapid elimination of ...

NJIT receives $20,000 grant from Horizon Foundation to promote teen health

... program to teach middle and high school students about nutrition, physical fitness and healthy lifestyles. At NJIT, the project will be carried out by the ... of Medicine and Dentistry of New Jersey. "Obesity and lack of physical fitness can result in serious, long-term health problems among teenagers in our ...

February 2009 highlights from Biology of Reproduction

... not only in several behavioral traits, but also in reproductive fitness and longevity. The early death of offspring sired by old mice was heralded ... Cano, and Juan J. Tarn. Delayed Fatherhood in Mice Decreases Reproductive fitness and Longevity of Offspring. Biol Reprod 2009; 343-349. Published in ...

Research finds older women who are more physically fit have better cognitive function

... into improved cognition." The study, Effects of Cardiorespiratory fitness and Cerebral Blood Flow on Cognitive Outcomes in Older Women, compares two ... fallen off." "The take home message from our research is that basic fitness something as simple as getting out for a walk every day is critical to ...

Ocean fish farming harms wild fish, study says

... that higher density of fish promotes infection, and infection lowers the fitness of the fish. For wild fish, lowered fitness means more difficulty finding food and escaping predators, causing higher ...

News from the November 2008 Journal of the American Dietetic Association

... aimed to determine the prevalence of high blood glucose, obesity, low fitness and energy insufficiency levels among children from poor families. Nearly ... blood glucose levels. Most of these students had marginal to unacceptable fitness levels and ate high energy-dense and low nutrient-dense foods. The ...

American Chemical Society's Weekly PressPac -- Aug. 27, 2008

... researchers report development of a tiny "lab on a chip" to evaluate the fitness of embryos harvested for transfer. A report on the approach which ... and colleagues note that the current method for evaluating an embryo's fitness for IVF involves microscopic examination of the embryo's physical ...

Low-gravity training machine reduces joint, muscle impacts, says CU-Boulder study

... tried the machine in Kram's lab and found it helpful to maintain their fitness as they recovered, Kram said. For the study, the researchers ... Ames as a National Research Council fellow to help astronauts maintain fitness during prolonged space flight. While the NASA technology was designed to ...

Primate's scent speaks volumes about who he is

... scent, have found that individual males are not only advertising their fitness for fatherhood, but also a bit about their family tree as well. "We ... on his scrotum that becomes critical to marking territory and advertising fitness during mating season. He does a handstand and rubs this gland directly ...

Playing dead is no game for ant survival

... to contribute to brood care and colony growth to ensure the survival and fitness of their queen. These findings (1) by Dr. Deby Cassill from the Biology ... them to increase colony growth, which is essential to the survival and fitness of the colony queen. ...

After more than 100 years apart, webworms devastate New Zealand parsnips

... zero fitness, which is really dramatic. We dont often see that. fitness is a measure of a species ability to successfully reproduce. Environmental factors that reduce the fitness of an organism by, for example, destroying all of its offspring can ...

Diet and lifestyle critical to recovery, says study

... have shown how the nutrients in the environment are critical to the fitness of cells that carry genetic mutations caused by diseases. The findings ... removing one parents set of genes in a human and analysing the resulting fitness under different dietary restrictions. If the gene targeted is ...

K-State researchers say after-school programs should promote activity, healthy nutrition

... some existing after-school programs lack in quality and do not provide adequate nutrition or physical activity, especially for different genders and fitness levels. The HOP'N After-School Project includes four elements: a daily healthy snack, daily physical activity, weekly nutrition and physical ...

Fujitsu Expands Support for Ethernet Networks With New Additions to XG Switch Product Line

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu Computer Products of America, Inc. reserves the right to modify at any time without notice these statements, our ...

Fujitsu PalmSecure Certified Under International Common Criteria Evaluation Assurance Level 2

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu Computer Products of America, Inc. reserves the right to modify at any time without notice these statements, our ...

Army study improves ability to predict drinking water needs

... humidity, sunlight and wind). The device would then calculate their sweat loss. One variable the equation does not take into account is fitness levels, which do influence sweat rates. That may be the next area to work into the equation, Dr. Cheuvront said. ...

IUPUI study finds living near fast food outlet not a weighty problem for kids

... on weight and living near a supermarket did not lower it. The IUPUI researchers also report that residing near certain recreational amenities -- fitness areas, kickball diamonds, and volleyball courts -- lowers children's body mass indexes (adjusted for normal childhood growth). The researchers ...

'Honey bee health' of concern at Western Apicultural Society conference

... "Honey Bee Biology and Beekeeping," will discuss "Colony Natural History." Liz Applegate, a nationally renowned expert on nutrition and fitness and member of the UC Davis Department of Nutrition faculty, will speak on "Honey and Exercise Physiology." Randy Oliver, a Grass Valley ...

When evolution is not so slow and gradual

... newly introduced group. In the long run, survival of juveniles is crucial to the survival of the population, the researchers say. The fact that fitness differences were found after only eight years shows just how fast evolution can workfor short-lived species anyway. "The changes in survival in ...

MIT reels in RNA surprise with microbial ocean catch

... nutrient concentration and physical properties like light and pressure," said Shi. "A very interesting question to follow up in the lab is how much fitness advantage a small RNA confers to microbes. Can the microbes with a specific small RNA perform better in competing for nutrients in a tough situation, ...

Predators ignore peculiar prey

... being harder to spot, it should replace all others. Likewise, random drift alone will eventually result in loss of all but one form when there are no fitness differences. There must therefore be some advantage that allows unusual traits to persist". The authors placed a selection of food-bearing model ...

Fujitsu PalmSecure LOGONDIRECTOR Integrates with Passlogix v-GO Access Accelerator Suite

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu Computer Products of America, Inc. reserves the right to modify at any time without notice these statements, our ...

Allscripts Integrates Electronic Health Records with Innovative Patient Kiosk

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu and Allscripts reserve the right to modify at any time without notice these statements, our services, products, and ...

Fujitsu PalmSecure LOGONDIRECTOR Integrates with Passlogix v-GO Access Accelerator Suite

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu Computer Products of America, Inc. reserves the right to modify at any time without notice these statements, our ...

Malaria immunity trigger found for multiple mosquito species

... Dimopoulos and his colleagues Lindsey Graver and Yuemei Dong also found that Rel 2 activation did not affect the survival and egg laying fitness of the modified mosquitoes. "This came as a pleasant surprise since it essentially means that we one day could spread this trait in natural ...

Crafty Australian crayfish cheat

... performance was unaffected, 'the large claws of the cheating males reduced their swimming speed,' Wilson says. This suggests a potentially serious fitness cost to growing large claws; males encumbered by big claws may end up as a predator's lunch. According to Wilson, the importance of dishonesty in ...

QSGI Integrates Fujitsu Mag EraSURE Data Degausser into its Suite of Information Technology Security Services

... owners. Statements herein are based on normal operating conditions and are not intended to create any implied warranty of merchantability or fitness for a particular purpose. Fujitsu Computer Products of America, Inc. reserves the right to modify at any time without notice these statements, our ...