Tag: "creatures" at biology news

Identifying tick genes could halt disease, bioterrorism threat

...e is no vaccine and, in some cases, no cure. These creatures even could become bioterrorism weapons. To find new ways to control the tiny animals and halt the spread of the pathogens they carry, Purdue University researchers and colleagues from the University of Connecticut Health Center, the University of Not...

Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers

...rough river sediments. Microbes, as well as larger creatures living in the sediment, abound during warm summer months and churn their surroundings. Higher temperatures also increase natural diffusion and solubility of these toxins, say the investigators. Their results will aid in the interpretation of field da...

Revealing bizarre deep-sea secrets

... holds numerous secrets, such as the identities of creatures that have so far eluded attempts to see and study them because of severe limitations with conventional techniques. Submersibles and remotely operated vehicles can scare away most mobile life with their bright lights, loud noises, and strong electric...

Bone, enamel, dentine, milk & saliva share gene family

... the split can shed light on the murky period when creatures developed backbones for internal support, sharp teeth for eating and protection, hard shells to protect developing young and milk to nurture them until they could use their teeth to catch and consume dinner. "Now we are going to look to see if these...

Dr. Patricia Limerick to speak at ESA annual meeting

... wonder and appreciation of Western landscapes and creatures has only gained in importance and consequence. Limerick believes that the Lewis and Clark Bicentennial presents a prime opportunity for ecologists to enhance the voice and role of scientific findings in today's decision-making. A MacArthur Fellow...

Molecular motor shuttles key protein in response to light

... Their finding adds to growing evidence that some creatures -- and probably people -- adapt to light not only by mechanically shrinking the pupil to physically limit how much light enters the eye, but also by a chemical response. Building on their previous work showing that specific proteins in eye cells are ...

Origin of West Indian insect eater much older than previously thought

...Nature paper. Scientists still are unclear how the creatures ended up on the islands, why they have remained bi...ne the geological record to see how these creatures got to their current habitat, and when, Springer said. "It's like a puzzle with a few more ...

Study of Cape Cod Seashore finds off-road vehicles harmful to beach fauna

...es drive on beaches, they can reduce the number of creatures living on the beach by as much as 50 percent, acco...Steinback of East Falmouth, Mass., who studied the creatures living in and around the wrack -- the vegetation that accumulates at the high tide line -- on the be...

Florida frontier expedition

...ink I submersible and scuba in a search for marine creatures that produce chemicals with the potential to cure human diseases ranging from cancer to Alzheimer's. Amazingly, vast stretches of vibrant seafloor lay unexplored just a few miles from major ports such as Miami, and the team expects to make important...

Tufts University groundbreaking research on caterpillar locomotion

...e about how humans move is based on research about creatures that walk, fly or swim using hard bones and exoskeletons (a hard outer structure that provides protection or support). By looking at soft bodied animals like the caterpillar, Trimmer can copy some of the unique ways in which they move. This summer, t...

Sediments in many Central Valley streams contain toxic levels of pyrethroid pesticides

...rine pollution and how it gets from sediments into creatures living on the bottom, noted that another chemical sometimes applied with pyrethroids may be making the situation worse. Piperonyl butoxide, or PBO, is a synergist that shuts down the enzymes that detoxify pyrethroids, making them last longer in an or...

Seabed secrets in English clay

...e. Kenig's samples included seemingly incompatible creatures living together. The standard interpretation of the fossil record needed some refinement. "The animal fossils and bacteria organic matter, though contained in the same packet of rock, were not deposited at the same time," he said. "There was the...

Mantis shrimp may have swiftest kick in the animal kingdom

...f variation," said Patek, who is looking for other creatures that employ hyperbolic paraboloid structures as sp...ure to use fluorescence to signal one another. The creatures also have the most sophisticated eyes of any animal on Earth. Some species have more than 10 pigment...

Biologist's find alters the bacteria family tree

...oduct of their metabolism. It was not until these creatures appeared on earth that oxygen was found in the earth's atmosphere. "No other photosynthetic microbe is as efficient," said Blank. Scientists initially believed that cyanobacteria were present on earth as early as 2.7 billion years ago. Blank has c...

Breakthrough Clemson research appears in Science

... of biomineralization, the process by which living creatures turn elements into crystals, will lead to breakthroughs in medical and material sciences. "Nature exhibits exquisite control over the size, shape and organization of crystals," Mount said, adding if engineers can mimic nature, they could build bone ...

UF study: Barren Siberia, of all places, may be original home to animal life

...SVILLE, Fla. --- Trilobites, the primitive shelled creatures considered by many to be among the first animals to appear in the fossil record, may have originated in a place known today largely for its barren lifelessness: Siberia. The finding is one of the conclusions of a two year study by geologists at the ...

Physics tip sheet #41 - April 5, 2004

...ave disadvantages in symbiotic relationships among creatures from different species. Researchers at New Zealand... so-called tit-for-tat models of cooperation among creatures of a given species, which tend to contribute to their relationships comparably. The new model may he...

A picture is worth a thousand miles not traveled to measure the fossil of an ancient sea creature

... scientists usually have. Since the same creatures have also become abundant in scientific literature since the mid 1800s, a team of Virginia Tech researchers is determining whether measuring photos of fossils collected worldwide would be a reliable way to compile body size data. Richard A. Krause Jr...

Wasps' brains enlarge as they perform more demanding jobs

...s of a wasp species correspondingly enlarge as the creatures engage in more complex tasks. "The amount of change is striking," said Sean O'Donnell, a University of Washington associate professor of psychology and lead author of a new study published in the February issue of Neuroscience Letters. "It is easil...

New Seascape initiative stretches from Costa Rica to Ecuador and protects key marine habitats

...st. "The Seascape will help give these magnificent creatures the protection and recognition they so urgently need." Among the treasures the Seascape will encompass are the Galapagos, home to hundreds of unique and vulnerable species found nowhere else on the planet and as many as 750,000 seabirds, 22 species...

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