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Tag: "choose" at biology news

Older female fish prefer imperfect male mates, study finds

...o-remember stimulus. Females also may be likely to choose symmetrical males because they are better able to deal with environmental stresses and could pass on that resilience to offspring. Another explanation would be that the visual system "develops an internal prototype of an object that is based on an a...

Brain activity related to processing faces is similar in people with, without autism

...nning. Because individuals with autism typically choose to look away from faces, the previous studies could not disentangle the effects of a preference to look away from faces from actual brain deficits in the ability to process faces. "We required participants to indicate whether faces were looking left ...

Deep treasure to be found in Oculina Bank

...to assess populations of snappers and groupers and choose sections of the reef for initial monitoring surveys to be used as benchmarks. Through comparisons over time with repeat visits scientists will be able to assess progress in the Oculina Experimental Closed Area for restoring coral cover and replenishi...

'Patient-choice' C-section rate rises 36%: HealthGrades study

...believing that patients should have the ability to choose a C-section if they prefer. Other doctors believe ...ly understand the risks involved, and should never choose major surgery when it is not necessary. Despite the controversy, this much is clear: the 'patient-ch...

Discarded placentas deliver researchers promising cells similar to embryonic stem cells

...rue therapeutic benefit, parents could conceivably choose to bank their child's amniotic epithelial cells in the event they may someday be needed, as is sometimes done now with umbilical cord blood," commented Dr. Strom. The amnion is derived from the embryo and forms as early as eight days after fertiliza...

Two designer drugs hit same lung cancer target, but only one is effective

...ignal receptor, EGFR," says Janne. "If you want to choose a way of inhibiting the mutant EGFR receptor, you would pull Iressa and Tarceva off the shelf, not Erbitux." Iressa and Tarceva are known as small-molecule drugs that can be taken orally and block the part of the EGFR molecule that's located within ...

Hanging baskets of sex and death help fruit growers

...form of pheromone lure. That test also helped them choose between a liquid and powder based mix for the virus - the liquid was found to be best. The University of Warwick researchers are now working with colleagues from East Malling Research on a larger scale 12 hectare trial of the dispenser in a large co...

Menopause Symptoms May Come Back After Stopping Menopausal Hormone Therapy

...ts waiting to happen." However, he said, if women choose to use herbal medicines, they should do so cautiou...-term use, is uncertain. He said that women should choose only high-quality products from reputable sources and to be sure to inform their health-care provide...

Women cautioned against using herbal supplements

...ts waiting to happen." However, he said, if women choose to use herbal medicines, they should do so cautiou...-term use, is uncertain. He said that women should choose only high-quality products from reputable sources and to be sure to inform their health-care provide...

What comes first…the chicken, the egg, or the bad attitude?

... have discovered that chickens raised for meat can choose whether or not they'll funnel the nutrients they eat towards themselves or their eggs. That phenomenon of 'reproductive attitude' is a headache for producers who must figure out how to deal with less productive hens that "partition" nutrients needed...

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

...cyclists with a higher percentage of type I fibers choose a higher pedaling cadence when exercising at high power outputs," the report said. "Although this may initially seem paradoxical, higher cycling cadence serves to both bring muscle fiber contraction velocity closer to that of maximum power and reduce...

Gambling monkeys give insight into neural machinery of risk

...rs gave two male rhesus macaque monkeys chances to choose to look at either of two target lights on a screen. Looking at the "safe" target light yielded the same fruit juice reward each time. However, looking at the "risky" target light might yield a larger or smaller juice reward. The average juice reward ...

Human embryonic stem cells have the potential to develop into eggs and sperm in the laboratory

...iate into all sorts of tissue types, so we need to choose the cells that are going to develop into PGCs and then work out how we can encourage them to grow into gametes. "Producing functional gametes is much more difficult, because we have to recreate for the cultured cells the environment of the developin...

Sleeping Sickness Epidemic Spreading in Uganda

...ts. As an alternative, women and their doctors may choose to wait for the uterus to expel the tissue without... the misoprostol group, 78 percent said they would choose the drug again if they needed to, and 83 percent said they would recommend it to other women. Dr. Z...

Drug Offers Alternative to Surgical Treatment After Miscarriage

...ts. As an alternative, women and their doctors may choose to wait for the uterus to expel the tissue without... the misoprostol group, 78 percent said they would choose the drug again if they needed to, and 83 percent said they would recommend it to other women. Dr. Z...

Bumblebees copy one another when contending with unfamiliar flowers

...faced with unfamiliar plants, foraging bees do not choose flowers entirely alone but instead copy the choices of other bees. The new findings suggest that bees adjust their behavior when dealing with flowers of unfamiliar plant species. The observations are reported in the June 21 issue of Current Biology ...

Breakthrough: Scientists create world's tiniest organic particles

...mation of uniform particles in any shape designers choose ?spheres, rods, cones, trapezoidal solids, etc. -- and essentially any composition, he said. The relatively simple process, which he and colleagues are calling Particle Replication in Nonwetting Templates, or PRINT, also avoids creating films or "scu...

IMF Launches World’s First DNA Database for Myeloma Patients

...efer males with larger sexual organs, and actually choose them for mating. That does not exclude males with an average-sized sex organ, called a gonopodium. These fish out-compete the larger-endowed males in a predator-laden environment because they have a faster burst speed than the males with larger genit...

Certain fish have a special mating preference

...efer males with larger sexual organs, and actually choose them for mating. That does not exclude males with an average-sized sex organ, called a gonopodium. These fish out-compete the larger-endowed males in a predator-laden environment because they have a faster burst speed than the males with larger genit...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

... for HIV." Individuals who wish to get tested may choose to do so anonymously or confidentially. With anonymous testing, a person does not provide his or her name, but instead receives an identifying number. Anonymous testing is available through many local health departments and community-based sites thro...

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