Tag: "swimming" at biology news
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...ed observers in the field. The observers charted swimming
courses of whale pods during sound transmission a...ch is inaudible above water) was broadcast. The swimming
courses during sound transmission and in no-sound periods were practically identical, Frankel's gro...
Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
...l probably evolved to give it fine controlof rapid swimming
for capturing prey and for escape, said Gillette, an affiliateof the U. of I. Beckman Institute for Advanced Science and Technology, whoworked with Gilly at the Hopkins Marine Station while on sabbatical. "Squids evolved from quite sluggish, heavi...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...ead, these small, flightless birds are capable of swimming
hundreds of miles, journeys that take three weeks or more, to find food for themselves and their chicks. "The major cause of chick mortality is starvation, often the result of a parent failing to return from a long foraging trip in time with food, " ...
Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
...imbs called maxillipeds (literally jaw-feet) where swimming
or walkinglegs once were. The finding is a landmark in the new field of evolutionary developmentalbiology, or "evo-devo," as its proponents call it, in which scientists study thepatterns of gene expression in embryos to peer backward in time. In the ...
UF Researchers Identify Virus That May Cause Epidemic Disease In Sea Turtles
...th. Once the lesionsimpair the turtle's vision and swimming
ability, it has difficultyfeeding and ultimately may die.Often the tumors develop withininternal organs, such as the lungs and kidneys, and impede normalfunction. The research team has detected the virus in more than95 percent of the tumors p...
Uterine Environment Boosts Learning Ability In Mouse Offspring
...tests included pawpreference, open-field activity, swimming
rotation, water escape learning,discrimination learning, Lashley maze learning, Morris maze learning, andavoidance learning. The results showed minor differences in overall cognitive abilitybetween the Non-Transfer and In-Strain Transfer grou...
Lights, Camera ... Reaction: Charting The Biological Effects Of Light InBillionths Of A Second
...spond to the absorbtion of light by altering their swimming
behavior. This bacterium, so far found only in a few high arid lake beds in Oregon andsalt depressions in the Egyptian desert, is "rather obscure," says Moffat, butthis simple organism appears to be quickly moving towards center stage as asubject of ...
University of Florida Researchers Develop Filter Coating That Traps Bacteria and Viruses
...ESVILLE, Fla. -- When 26 children became ill after swimming
in a kiddie poolat an Atlanta water park earlier t...r chemicals, Shah said. Tests of a coated swimming
pool filter with contaminated water in alaboratory showed it trapped more than 90 percent of pathoge...
Cattle Diets Could Control E. Coli Danger
...n-to-person infection. Recent work indicates that swimming
pools and waterparks can be contaminated with "E. coli "O157:H7. RAW DANGER: Heat, in the pasteurization of milk and fruit juices or thecooking of solid foods, will destroy "E. coli" bacteria. "E. coli" on theouter surfaces of a steak or chop are...
Killer Whales Have Begun Preying On Sea Otters, Causing Disruption Of Coastal Ecosystems In Western Alaska
...ng theirfield studies they often saw killer whales swimming
near sea otters, but neversaw one attack a sea otter until 1991. Since then, about a dozen such attackshave been reported. Sea otter populations, meanwhile, have declined by about 25 percent each yearduring the 1990s throughout large areas of western...
Spraying Water Containing Airborne Bacteria Found At Some Indoor Swimming PoolsCan Cause "Lifeguard Lung" Following Long-Term Exposure
DENVER-Lifeguards at indoor swimming
pools with water spouts and sprays,waterfalls and ... into the lungs. This isthe first time that indoor swimming
pools have been identified as a source ofcontinuously-occurring lung inflammation. "Young, healthy, ...
Swimming Proficiency Of Marine Mammals Ranks Them Among The World's Elite Animal
...apted to aquatic life that they areas efficient in swimming
as specialized land mammals are in running. Terrie...nd water. Williams found that theenergetic cost of swimming
for semiaquatic mammals is two-and-a-half to fivetimes higher than for fully aquatic marine mammals....
Technologies Track, Map Fish Behavior
...The dual-head sonar nonintrusively tracks a fish's swimming
directionand velocity over a large volume of water...ork harder as theyapproach the prototype bypass by swimming
against the current, toward the bottomof the bypass and parallel to the bypass structure. "T...
Video And Data Link Provide Unique "Seal's Eye View" Of The World
... simultaneous recording of video,audio and data on swimming
performance and environmental characteristics. Thedata collected enables the researchers to compute the three-dimensional path ofindividual dives. "This combination of technologies will allow for major advancements inour understanding of t...
Many contaminants found in nation's streams, but few drinking-water standards exceeded, USGS report shows
...ere with recreational activities, such as fishing, swimming
and boating. The subsequent decay of the algae can resultin foul odors, bad taste in drinking water and low dissolved oxygen in aquatic habitats -- oxygen that is necessary for fish and other aquatic life to survive....
Understanding serotonin receptors can speed treatment for depression
...epressants. In animals that have been stressed by swimming
in a tank of water, some learn togive up and are termed "helpless" while others keep trying to get out of thewater. Neumaier has found that the 5-HT1b gene is turned up more when theanimals show signs of helplessness by just floating in the water. "W...
... athletic and a good swimmer, yet she drownedwhile swimming
laps in four feet of water. Molecular testing of t... some restrictions. Those restrictions include: no swimming
without a buddy,no competitive sports and taking medication daily. Dr. Ackerman says additional rese...
Exercise improves learning and memory
...st below the surface in cloudy water. Mice dislike swimming
and instinctively seek the platform as a refuge fr...er six days of training each group of mice for the swimming
task, the researchers began the study. The group of mice that had been exercising made a beeline for...
Rats exposed to cell phone microwaves suffer long-term memory loss, according to new study by University of Washington researcher
... wall of the pool orswimming along the wall." The swimming
speed of all the rats remained the same, however, ... pool. The control group spent most of their time swimming
in the area where the missing platform hadbeen located. "They seemed to be scratching their heads, ...
Creatine may improve performance during short bursts of activity
... the increase in average swimming
speed for the male swimmers was only notable after 13.5 days of creatine supplementation, according to Leenders. Five of the nine male swimmers who received the placebo ...
1 2 3 4 5 6