Convergent evolution of molecules in electric fish
...ir electric organs, which are modified muscles, to communicate with each other and sense their environment. The researchers found that electric fishes expressed one of the sodium channel genes in their electric organs only, while non-electric fish express both genes in their muscles. "Most fish have both genes...National Academies news: National Academies release fact sheets on terrorist attacks
... scientists, engineers, and heath experts learn to communicate more effectively both with each other and with the public during crises. The project was collaboration between the National Academies, the U.S. Department of Homeland Security, and the Radio and Television News Directors Foundation....Plant cells 'black out' when eaten by leafworms
...t. Thus, plasma membranes also serve to detect and communicate external signals, allowing cells and entire tissues to react efficiently to changes in their environment. Pests eating plants are one example. Whether the depolarisation measured in this experiment ultimately benefits the pest, as it appears, and not...Rare Chinese frogs communicate by means of ultrasonic sound
...irst documented case of an amphibian being able to communicate like bats, whales and dolphins, said corresponding...dolphins, are just a few examples. "That frogs can communicate with ultrasound adds to that list and represents a novel finding, because we normally think such abi...Scientists discover reason behind ear canal in Chinese frog: Ultrasonic communication
...sounds produced in its surroundings so that it can communicate territorial information to other males of its spec...olops and other animals have developed to hear and communicate with one another, the more fully we can understand the hearing process in humans, and the more inspi...Scientists reveal how deadly toxin hijacks cells
...mical messengers, known as neurotransmitters, that communicate with muscles. When enough nerve endings are invaded, botox can lead to paralysis and death. By capitalizing on the ability of botox to act on a localized group of muscles, doctors have strategically used the toxin to treat an array of medical trouble...Eighteen researchers selected as 2006 Aldo Leopold Leadership Fellows
... Leopold Leadership Fellows are given the tools to communicate effectively with a variety of audiences, with the ultimate goal of better informed policymaking." Leadership skills Fellows are chosen for their outstanding scientific qualifications, demonstrated leadership ability and strong interest in communica...Warbling whales speak a language all their own
...rprised if some marine mammals have the ability to communicate in a complex way," said Suzuki. "Given that the un...om our world, it is not surprising that they would communicate in rather a different way from land mammals." The structure of the humpback whale song is repetitive...Taking a bite out of a fellow worker helps wasps recruit new foragers
...were, chances are your nestmates might bite you to communicate that it is time to leave the nest and forage for the colony, according to research by a University of Washington animal behaviorist. Biting is a way that workers in a colony of the social wasp Polybia occidentalis recruit new foragers to gather wate...Frogs ear canal may provide insights for understanding human hearing loss
...sounds produced in its surroundings so that it can communicate territorial information to other males of its spec...olops and other animals have developed to hear and communicate with one another, the more fully we can understand the hearing process in humans, and the more inspi...Study shows drug blocks breast cancer migration to bone
...und that a protein in bone called RANKL appears to communicate with a receptor in breast, prostate and skin cancer cells -- telling them to migrate. Moreover, a drug already known to block RANKL's activity may prevent cancers from spreading into the bone. Roughly 120 years ago, scientists predicted that bone tis...Microbiology meeting focuses on myriad of topics
...lth effects of Hurricane Katrina, and how microbes communicate and coordinate with each other to build complex communities are just some of the many topics to be covered at the 106th General Meeting of the American Society for Microbiology to be held May 21-25, 2006 in Orlando, Florida. "Microbes are the dominan...Discovery at the Feinstein suggests new treatment approach for inflammatory conditions
...e. The drug allows the nerve cells in the brain to communicate their anti-inflammatory signals to the rest of the body. The FDA approved galantamine for mild to moderate Alzheimer's dementia in 2001. Galantamine was approved with the trade name Reminyl and is now known as Razadyne. "In addition to stopping the n...APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal
...ion -- find their way around the body and how they communicate with other cells," von Andrian explained. "My lab is interested in leukocyte recruitment and trafficking, particularly in the lymph nodes." The lymph nodes are the school, the dendritic cells the teachers and the T cells the students, von Andrian exp...Two Yale biologists win 2006 Gairdner Awards for medical research
...out $25,700). As part of the Gairdner's mandate to communicate the work of medical researchers, each October, Gairdner winners visit universities across Canada and present academic lectures on their area of expertise. In 2004, a Gairdner Award went to another member of the Yale faculty, Arthur L. Horwich, M.D., ...New crop of technology reveals plant health
...a reflection of the plant's health. These sensors communicate their data through specially developed wireless tr...relessly and contain their own batteries. They can communicate over large distances for their size, with a current range of about 10m, but again the Tyndall team h...Salk scientist Ron Evans wins 2006 Gairdner Award for his discovery of hormone sensors
...hormones and dietary fats use a common strategy to communicate with genes inside a cell's nucleus. Two of the receptors that Dr. Evans discovered, PPAR gamma and PPAR delta, play key roles in regulating the storage and burning of fat. Mice that are genetically engineered to produce an overactive version of PPAR ...Friedemann Schrenk receives the 2006 Communicator Award
...who have made sustained and exceptional efforts to communicate their work to the general public. An award panel c...inence thanks to the wide extent of his efforts to communicate and his dedication to raising public awareness for his discipline. Worthy of particular note is his ...Brain communicates in analog and digital modes simultaneously
...x of analog and digital coding at the same time to communicate efficiently, according to a study by Yale School o...elief that each of the brain's 100 billion neurons communicate strictly by a digital code. Analog systems represent signals continuously, while digital systems rep...