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Tag: "showy" at biology news

Looks matter to female barn swallows

... have implications for the evolution and upkeep of showy ornamental traits -- such as a peacock's tail or a deer's antlers -- that are costly for males to maintain but give them an edge over rival males. "If females are assessing mates on a day-to-day basis, it explains why males continue to maintain costl...

Sudden change in social status triggers genetic response in male fish, study finds

...urtoni lives in a hierarchical social system where showy dominant males defend small territories that are used for courtship and breeding. However, dominance among male cichlids is reversible: If a subordinate successfully challenges a dominant male in a face-to-face confrontation, the dominant fish will l...

Fish can determine their social rank by observation alone, study finds

... their face. After a fight, the winner retains his showy appearance, but the loser's eyebar temporarily disappears as he tries to flee his more aggressive opponent. To test for transitive inference, the Stanford team took advantage of this reversible change in appearance by staging a series of short fi...

The price of vanity: Mating with showy males may reduce offspring's ability to fight off pathogens

...y animals, males advertise to potential mates with showy traits, many of which are linked to testosterone l..., Sweden) finds that mating with males who possess showy traits ?such as bright colors or long tails and fins ?results in higher testosterone levels in males...

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(Date:9/22/2014)... (AM), or 3D printing, has rapidly advanced to ... strong enough for structural applications. However, developing complex ... as quality standards to test the manufactured items, ... at the University of Pittsburgh,s Swanson School of ... simulation (M&S) technology and new qualification standards that ...
(Date:9/22/2014)... be much more useful in homes, if they could ... the world with cameras and lasers, which have difficulty ... hidden in clutter. A complementary way robots can "sense" ... small ultra-high frequency radio-frequency identification (UHF RFID) tags. Inexpensive ... RFID-equipped robot to search a room for the correct ...
(Date:9/22/2014)... 2,819 people have occurred in the wake of the ... Eldorado National Forest. The King Fire is burning ... American River Canyon, Silver Creek Canyon, and the Rubicon ... fire has crossed into Placer County and burned onto ... Forest. The anticipated spread is expected to be minimal ...
Breaking Biology News(10 mins):Pitt engineers receive grants to enhance additive manufacturing 2Pitt engineers receive grants to enhance additive manufacturing 3New RFID technology helps robots find household objects 2New RFID technology helps robots find household objects 3
(Date:9/22/2014)... (PRWEB) September 22, 2014 The struggles ... English proficiency (LEP) patients has been well-documented—reportedly, language barriers ... repeat visits to the emergency room and an increased ... , At Sanford Health, the largest medical facility ... a rising LEP population necessitated the need for ...
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(Date:9/22/2014)... ARBOR, Mich. Almost three-quarters (74%) of parents ... and more than one-quarter (28%) have used those ... their children, according to U-M research published today ... of Michigan,s C.S. Mott Children,s Hospital National Poll ... how online ratings of physicians influenced their choices ...
(Date:9/22/2014)... beats out a very familiar "lub-dub" pattern that speeds ... decreases, the pattern itself isn,t as regular as you ... heartbeats can vary even at a "constant" heart rateand ... , Reduced heart rate variability (HRV) has been ... such as congestive heart failure and inflammation. For athletes, ...
(Date:9/22/2014)... a type of flavonoid found in hops and beer, ... cognitive function in young mice, but not in older ... Behavioral Brain Research by scientists from the Linus ... State University. It,s another step toward understanding, and ultimately ... in many mammalian species, including humans. , Flavonoids are ...
Breaking Medicine News(10 mins):Health News:Healthcare Cost Savings Case Study:Stratus Video Interpreting Assists Sanford Health System in Accommodating Increasing LEP Population,Saves a Predicted $100,000 Per Year 2Health News:Healthcare Cost Savings Case Study:Stratus Video Interpreting Assists Sanford Health System in Accommodating Increasing LEP Population,Saves a Predicted $100,000 Per Year 3Health News:Healthcare Cost Savings Case Study:Stratus Video Interpreting Assists Sanford Health System in Accommodating Increasing LEP Population,Saves a Predicted $100,000 Per Year 4Health News:The New York Group for Plastic Surgery Joins Mount Sinai Doctors 2Health News:The New York Group for Plastic Surgery Joins Mount Sinai Doctors 3Health News:Online ratings influence parents' choices of physicians for their children 2Health News:Variability keeps the body in balance 2Health News:Variability keeps the body in balance 3Health News:Variability keeps the body in balance 4Health News:Compound from hops aids cognitive function in young animals 2
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