Tag: "behavior" at biology news
Study Sheds Light On Behavior Of Middle-Age 'Undertaker' Bees
...choices of bees is a usefulmodel for understanding behavior
in general. This new information shouldenable us ...e brainfunction to produce the marvelously complex behavior
seen in honey bee society."...
CTC Visualizations Help Ecologists See The Forest And The Trees
...y Steve Pacala (Princeton University), to studythe behavior
of a model of forest dynamics. SORTIE is an individual-basedsimulation model of forest dynamics that includes random variation. Thebehaviors of the trees in the simulations are based on findings from studiesdone in the Great Mountain Forest (GMF) in ...
Researchers Construct Genetic Map For Dogs
...covering the genetic basis of both development and behavior
in a variety of mammalian species including human. "The notion of a canine genetic map had been proposed by the genetics community years ago; over the last three years we developed the markers to serve as the cornerstone of the map," said Elaine Ostr...
Mysterious Wildlife Disease
... coot populations for disoriented or uncoordinated behavior
such as erratic flying or impaired ability to swim or dive. The public is urged to report observations of sick or dead eagles or coots to Dr. Kimberli Miller at the National Wildlife Health Center at 608-270-2448. As the nation's largest na...
Are CDC's 1997 Recommendations For Targeted Lead Screening Of Children Justified?
...e associated with IQ deficits and withlearning and behavior
problems that may extend into adulthood. Lead screeningfor blood lead levels requires testing blood gathered through either a fingerprick or from a vein in the arm. The prevalence of elevated Blood Lead Levels (BLLs) among 1- to5-year-old U.S...
AAAS Announces Science Journalism Award Winners
...icle examines the unpredictability surrounding the behavior
ofgrains of sand. He is honored for ambitiously tackling a novel topic and makingit interesting to the reader. In the television category, Lee Carey and Doug Bolin, (with Kristian Berg, LisaBlackstone, Kim MacDonald, Jeff Nielsen, Erin Rasmussen, a...
Early Career Development Grants Foster Faculty Research And Education
... important insights into the reproductive success, behavior
and genetic divergence of many organisms. Ballard will integrate his research with a science educationprogram for young women and minority groups in Chicago schools. The education program aims to build students' knowledge and interest in environmen...
Termites' Attraction To Small Amounts Of Carbon Dioxide Lures Pests To Their Deaths
...ases of CO2 could also be used to confuse termite behavior
to the pointwhere a colony cannot sustain itself. ...ements that already exist in nature to changetheir behavior
or lure them to their deaths."...
STS-89 Will Carry Five Science Payloads From NASA/Marshall
...ontinues an exciting series ofexperiments into the behavior
of soil under conditions that cannot be simulatedon Earth, but which affect how the ground behaves during earthquakes orhow powders are handled during the manufacture of drugs, cosmetics, andother products. The Mechanics of Granular Materials(MGM) e...
Divorce, Insect Style: Termites Swap Mates
...nsis marks the first scientific documentation of behavior
called"mutual mate choice" among insect pairs that cooperatively provide long-termcare for their young. "Having second thoughts and choosing a better mate to share the heavy investmentin parental care is a well-known strategy in vertebrates -- inclu...
USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks
...ay at all." Other unusual brown bear behavior
Smith recorded on the sprayed sitesincluded numerous instances of sniffing, pawing, licking, rubbing their heads inthe soil, and rolling on the sites in a manner similar to cats rolling incatnip. Before this study, Smith had spent more than 750 hou...
Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...cy came to South Africa, I demonstrated the female behavior
andsong to her. That night the four of us, husbands included, sat around thinking upnames for the song," she said. "I hit on 'rapping' because it does mimic thesound, which is something like a Geiger counter." Professor Kelley had already s...
Drivers Should Pay More Of Environmental Costs, Report Says
...abits. It found the most significant shift in road behavior
occurred by combining the two. "If we manage growth better so that we have more concentrated development and higher densities, then it will be easier for people to use public transportation," Soberman says. "Their trip lengths would be shorter which...
National Studies Reveal Why Pet Owners Take Animals To Shelters And How Many Find New Homes; Statistics Point to Epidemic
...heshelter, whether there were problems with animal behavior
and how many animalslived in the household. Pet owners also were asked their age, gender, annualsalary, education level as well as questions about the pet owner's knowledge ofcaring for animals and why they chose to surrender their pet to a shelter. ...
Women Can Inherit Drinking Problem Too, Study Finds
...ecede orcoexist with alcoholism, such as childhood behavior
problems like lying andstealing or depression, wer...lproblems in women, whereas a history of childhood behavior
problems predictedalcoholism risk in men. We found that depression is a potent predictor foralcohol ...
Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
...tionary biologist and professor ofneurobiology and behavior
at Cornell. "But why do spices taste good? Traits...h on the role of naturalselection in animal social behavior
and is best known for his studies of one ofnature's most social (and unusual-looking) creatures, the...
Getting At The Components Of Mechanotransduction: Genes Required For Vertebrate Sensory Hair Cell Function Identified
...tants at different levels of neurobiology, from behavior
and anatomy to physiology. This was achieved by fruitful collaboration between scientists at the Max Planck Institute of Developmental Biology and the Ear, Nose, and Throat Clinic in Tbingen, Germany. The zebrafish vestibular/au...
'Mean Gene' Found In Africanized Honey Bees
...that has a large effect on the aggressive stinging behavior
in Africanized honey bees -- the so-called "killer...e by measuring the speed and intensity of stinging behavior
in 162 colonies of hybrid bees. They then located DNA markers on the chromosomes of the aggressive h...
Insect Taste Buds Target Of Control Method
...vior. Although chemicals that stimulate feeding behavior
can be used to convince insects to consume poisons, Mullin would rather find a chemical that depresses feeding to the point of starvation. Corn rootworm beetles must feed to reproduce. "While humans have thousands of taste buds, insects general...
Extra Choline During Pregnancy Enhances Memory In Offspring
...ever been a physiologic explanation as to whythese behavior
changes occurred, said Williams, chair of the department ofpsychology at Duke. So, based on her behavioral studies, Swartzwelder set out toexplain how choline alters memory function. By analyzing brain slices from theoffspring of rats in each group, ...
1 2 3 4 5 6 7 8 9 10