Tag: "beach" at biology news
Interaction of just 2 genes governs coloration patterns in mice
...ow live on white sand beaches. In the process, the beach
mice's coats have become markedly lighter than tha...t genes each contribute to the light coloration of beach
mice," Hoekstra says. "This work represents a first step into understanding how unique patterns of f...
Study: Sticking to the sand might not be such good, clean fun for beachgoers
...o stay out of the water. Microbes that result in beach
closures and health advisories when detected at un...rs looked closely at the sand quality at a popular beach
in Monterey, Calif., they found evidence of human waste-raising doubt about the commonly held belief...
Testing the force of a shark's bite
...reat White shark using data from a shark caught in beach
nets off Australia's NSW Central Coast. The 2.4 metre long Great White shark was stored at the NSW Department of Primary Industries Cronulla Fisheries Research Centre of Excellence until researchers were ready to analyse its jaw and facial muscles ...
'The Man Who Saved The Sea Turtles'
...ndpoint, perhaps his greatest discovery was that a beach
known as Tortuguero in Costa Rica is the most important nesting site of the endangered green turtle in the entire Western Hemisphere, Davis said. In documenting their migratory patterns, he showed that these large turtles, which can grow in excess of...
Waters off Washington state only second place in world where glass sponge reefs found
...skeletons are made of silica (the same material as beach
sand) come in un-sponge-like shapes similar to cups and funnels. They range in color from creamy white to brilliant hues of yellow. The reefs build upward as new generations of sponges grow atop the still-hard silica skeletons of previous generation...
More swimmers means more pathogens in the water
...blic Health completed two studies at the Hammerman beach
area along Marylands Gunpowder River that linked t...ggests it would be best to test the water when the beach
is active to determine if it is safe for recreational use, said Thaddeus K. Graczyk, PhD, co-author ...
American Chemical Society's Weekly PressPac -- May 30, 2007
...laced by atoms of silicon, the element in ordinary beach
sand. Because of the extreme sensitivity of the compounds, which the researchers did not expect, only a limited number of tests could be performed before samples exploded. A sample of one compound, for instance, exploded when touched gently with a ...
Research finds evidence tropical cyclones have climate-control role
...cean that break, just like what can be seen on the beach
shore. When the waves break, the top layer of water curls into the bottom layer and water of different densities and temperatures mix, Huber said. "Warm, fresh water is less dense than cold, salty water, so the cold water sinks, and this drives the...
ACS News Service Weekly PressPac -- May 23, 2007
...al Science & Technology New evidence implicating beach
sand as a reservoir for E. coli the bacterium t...ing fecal contamination can accumulate and grow in beach
sand. "These results indicate that E. coli originating from several sources may survive and potent...
Scientists report new take on sexual signaling
...s to males that have not. When they run across the beach
to check out or mate with a male, they orient visually to both the waving male and to his hood. In this way they reach the males burrow quickly and directly and avoid their predators. "When we bait predatory birds into the areaartificially increa...
Researcher to determine why oil still remains from Exxon Valdez
..., the micro-organisms that live in water along the beach
would eat the oil; that they would consume it completely," Boufadel said. "That did happen at many locations, but at these particular locations that we will be examining, there have been some limitations on that occurring." Boufadel hypothesizes th...
2-step process filters evolution of genes of human and chimpanzee
...y negative selection. Once they had established a beach
head, occurring in as little as five percent of a population, these radical mutations tended to spread quickly throughout the species, their survival or reproductive advantage allowing them to gain ground over multiple generations. "We found that...
How do marine turtles return to the same beach to lay their eggs?
Marine turtles almost always return to the same beach
to lay their eggs. The egg-laying sites are often ... were equipped with a compass pointing towards the beach
in question. So they can correct any deflection they are subject to: transport by boat, ocean curren...
AAAS releases video and first board consensus statement on climate change
...f, a 4,000-year-old Inupiaq village, such as rapid beach
erosion and thinning ice. "The fish are way up river and gone somewhere else," Tocktoo said. "With the permafrost nowadays, we bury our fish and food very shallow because the sun is so hot, the sun might heat up the sand and then spoil all our fo...
UF study: World shark attacks rise slightly but continue long-term dip
...s are making strides in improving medical care and beach
safety, while many people are getting smarter about where and when to get into the water, he said. Theyre starting to see that when they enter the sea, theyre engaging in a wilderness experience as opposed to entering the equivalent of a backyard p...
Duke geologist's book assails unrealistic mathematical models
...ific behavior of complex natural processes such as beach
erosion and long-term nuclear waste storage create...rly optimistic expectations about the endurance of beach
nourishment projects. "We make this point again and again: if your basic assumptions are wrong, ...
'Red tide toxins' leave beachgoers breathless
...ever, these symptoms usually subside after leaving beach
areas," said study author Lora E. Fleming, MD, Ph...nd decreased lung function after just one hour of beach
exposure to the toxins." Dr. Fleming and a team of researchers from seven academic, environmental,...
Science's breakthrough of the year -- The Poincar Theorem
...to the disease. How Biodiversity Happens: From beach
mice, to fruit flies, to butterflies, a variety of animals helped scientists uncover genetic changes that lead to the evolution of a new species. New Frontiers in Microscopy: This year, biologists used new microscopy techniques that enabled them to...
Microbe fixes nitrogen at a blistering 92 degree Celsius
...ated from geothermally heated sand near an Italian beach
and fixes nitrogen at temperatures up to 64 C. Nitrogen is necessary for all life because it is an essential part of amino acids and proteins. To be used by organisms, gaseous nitrogen must be converted to other compounds, or "fixed," which can only ...
By 2048 all current fish, seafood species projected to collapse
...e diversity also appeared to increase the risks of beach
closures, harmful algal blooms (red tide, for example), oxygen depletion, fish kills and coastal flooding. "The good news is that it is not too late to turn things around," Worm said. The scientists studied 48 areas worldwide that have been protecte...
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