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Reveal in Biological News

University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA

The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO 2 ) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO 2 by the oceans, the alarming growth of atmospheric CO 2 concentration would be substantially...

Drug-proof zebrafish reveal secrets of addiction

The effects of amphetamines on gene expression in zebrafish have been uncovered. This new study, published in BioMed Central's open access journal Genome Biology , provides clues to the genetics that underlie susceptibility to addiction by describing the nad zebrafish mutant, which does not feel ...

Ben-Gurion U. researchers reveal connection between cancer and human evolution

BEER-SHEVA, ISRAEL, July 2, 2009 Researchers at Ben-Gurion University of the Negev (BGU) have discovered that gene mutations that once helped humans survive may increase the possibility for diseases, including cancer. The findings were recently the cover story in the journal Genome Research . ...

Researchers to reveal aging's origins on global stage

Four of the biologists who described the underlying causes of aging will soon share their findings with an international audience during a symposium at the upcoming World Congress of Gerontology and Geriatrics , taking place from July 5-9, 2009, in Paris, France. The presentation, titled "Agei...

Nanocrystals reveal activity within cells

Researchers at the U.S. Department of Energy's (DOE) Lawrence Berkeley National Laboratory have created bright, stable and bio-friendly nanocrystals that act as individual investigators of activity within a cell. These ideal light emitting probes represent a significant step in scrutinizing th...

Caltech scientists reveal how neuronal activity is timed in brain's memory-making circuits

PASADENA, Calif.Theta oscillations are a type of prominent brain rhythm that orchestrates neuronal activity in the hippocampus, a brain area critical for the formation of new memories. For several decades these oscillations were believed to be "in sync" across the hippocampus, timing the firing of...

Red pandas reveal an unexpected (artificial) sweet tooth

PHILADELPHIA (April 15, 2009) -- Researchers from the Monell Center report that the red panda is the first non-primate mammal to display a liking for the artificial sweetener aspartame. This unexpected affinity for an artificial sweetener may reflect structural variation in the red panda's sweet ...

Frogs reveal clues about the effects of alcohol during development

Fetal alcohol spectrum disorder (FASD) and Fetal alcohol syndrome (FAS) cause malformations in babies, including facial defects, short stature, and mental and behavioral abnormalities. The African frog, Xenopus, is a valuable tool for understanding early vertebrate development since these embryos ...

Fossil fragments reveal 500-million-year-old monster predator

Hurdia victoria was originally described in 1912 as a crustacean-like animal. Now, researchers from Uppsala University and colleagues reveal it to be just one part of a complex and remarkable new animal that has an important story to tell about the origin of the largest group of living animals, ...

Gladstone scientists reveal key enzyme in fat absorption

Scientists at the Gladstone Institutes of Cardiovascular Disease (GICD) have found that a key enzyme involved in absorbing fat may also be a key to reducing it. The enzyme, acyl CoA: monoacylglycerol acyltransferase 2 or Mgat2 is found in the intestines and plays an important part in the uptake o...

Gladstone scientists reveal that fat synthesizing enzyme is key to healthy skin and hair

Scientists at the Gladstone Institutes of Cardiovascular Disease (GICD) have found that an enzyme associated with the synthesis of fat in the body is also an element in healthy skin and hair. The enzyme is acyl CoA:diacylglycerol acyltransferase 1 or DGAT1. Mice that lack DGAT1 have many interes...

Long-sought protein structure may help reveal how 'gene switch' works

GAITHERSBURG, Md.The bacterium behind one of mankind's deadliest scourges, tuberculosis, is helping researchers at the Commerce Department's National Institute of Standards and Technology (NIST) and the Department of Energy's Brookhaven National Laboratory (BNL) move closer to answering the decade...

Hebrew University scientists reveal mechanism that triggers differentiation of embryo cells

Jerusalem, December 21, 2008 The mechanism whereby embryonic cells stop being flexible and turn into more mature cells that can develop into specific tissues has been discovered by scientists at the Hebrew University of Jerusalem. The discovery has significant consequences towards furthering resea...

New satellite data reveal impact of Olympic pollution controls

Chinese government regulators had clearer skies and easier breathing in mind in the summer of 2008 when they temporarily shuttered some factories and banished many cars in a pre-Olympic sprint to clean up Beijing's air. And that's what they got. They were not necessarily planning for something...

UC San Diego researchers use metagene 'portraits' to reveal distinct stages of kidney formation

In the art world, the most successful portraits are often those that reveal the true essence of the subject a subject that on canvas, at least, will never age. In the science world, researchers are relying on portraits of gene expression patterns but, in this case, the images are helping to reve...

CT scans reveal that dinosaurs were airheads

ATHENS, Ohio (Dec. 8, 2008) Paleontologists have long known that dinosaurs had tiny brains, but they had no idea the beasts were such airheads. A new study by Ohio University researchers Lawrence Witmer and Ryan Ridgely found that dinosaurs had more air cavities in their heads than expected. ...

Expeditions reveal gulf of California's deep sea secrets, as well as human imprints

Scientists from Scripps Institution of Oceanography at UC San Diego returning from research expeditions in Mexico have captured unprecedented details of vibrant sea life and ecosystems in the Gulf of California, including documentations of new species and marine animals previously never seen alive...

Immune cells reveal fancy footwork

Our immune system plays an essential role in protecting us from diseases, but how does it do this exactly? Dutch biologist Suzanne van Helden discovered that before dendritic cells move to the lymph nodes they lose their sticky feet. This helps them to move much faster. Immature dendritic cells pa...

Flies may reveal evolutionary step to live birth

A species of fruit fly from the Seychelles Islands often lays larvae instead of eggs, UC San Diego biologists have discovered. Clues to how animals switch from laying eggs to live birth may be found in the well-studied species' ecology and genes. The fly is one of a dozen species of Drosophila ...

Fiddler crabs reveal honesty is not always the best policy

Dishonesty may be more widespread in the animal kingdom than previously thought. A team of Australian ecologists has discovered that some male fiddler crabs "lie" about their fighting ability by growing claws that look strong and powerful but are in fact weak and puny. Published this week in the B...

6,000km trip to reveal clues to ancient migration

Two Durham University scientists are to play a key part in a 6000km trip following the migration route of ancient Pacific cultures. Drs Keith Dobney and Greger Larson, both from the Department of Archaeology, will be joining the voyage, which will be the first ever expedition to sail in two...

Very cold ice films in laboratory reveal mysteries of universe

The universe is full of water, mostly in the form of very cold ice films deposited on interstellar dust particles, but until recently little was known about the detailed small scale structure. Now the latest quick freezing techniques coupled with sophisticated scanning electron microscopy techniqu...

1,000 tags reveal mysteries of giant bluefin tuna

A giant Atlantic bluefin tuna weighing more than half a ton had the honor of being fitted with the 1000th electronic tracking tag placed on this threatened species when it was caught and released on Monday (October 20) in the Gulf of St. Lawrence off Port Hood, Nova Scotia. The prized fish, wh...

6 environmental research studies reveal critical health risks from plastic

Amsterdam, 2 October 2008 - Exposure to Bisphenol A (BPA), phthalates and flame retardants (PBDEs) are strongly associated with adverse health effects on humans and laboratory animals. A special section in the October 2008 issue of Environmental Research, "A Plastic World" provides critical new...

£2 million study to reveal workings of dementia genes

University of Manchester scientists are to investigate the biological causes of the second most common form of dementia after Alzheimer's, thanks to a prestigious 1.9 million senior fellowship award from the Medical Research Council. Frontotemporal lobar degeneration (FTLD) is a group of dement...

Fly studies reveal immune cell responses to tumor and tissue damage

September 17, 2008, Cambridge, UK Knee scrapes and tumor growth might have more in common than you think. The idea that tumor growth triggers the same immune response as a cut or wound was once a highly controversial notion. However, increasing evidence supports the idea that the same ce...

Photos reveal Myanmar's large and small predators

NEW YORK (September 4, 2008)Using remote camera traps to lift the veil on Myanmar's dense northern wild lands, researchers from the Wildlife Conservation Society have painstakingly gathered a bank of valuable data on the country's populations of tigers and other smaller, lesser known carnivores (s...

What a sleep study can reveal about fibromyalgia

Research engineers and sleep medicine specialists from two Michigan universities have joined technical and clinical hands to put innovative quantitative analysis, signal-processing technology and computer algorithms to work in the sleep lab. One of their recent findings is that a new approach to ...

Researchers study facial structures, brain abnormalities to reveal formula for detection of autism

COLUMBIA, Mo. Recently, Harvard researchers reported that children with autism have a wide range of genetic defects, making it nearly impossible to develop a simple genetic test to identify the disorder. Now, University of Missouri researchers are studying 3-D imaging to reveal correlations in th...

Rare Antarctic fossils reveal extinction of tundra before full polar climate arrived

(Boston) An international research team in Antarctica led by David Marchant, an associate professor of earth sciences at Boston University, has reported the discovery of exceptionally well-preserved freshwater fossils including mosses, microscopic one-celled algae, known as diatoms, small fresh wa...

Bacteria reveal secret of adaptation at Evolution Canyon

Bacteria living on opposite sides of a canyon have evolved to cope with different temperatures by altering the make-up of their 'skin', or cell membranes. Scientists have found that bacteria change these complex and important structures to adapt to different temperatures by looking at the appearan...

Scripps research scientists reveal key structure from ebola virus

Described in the July 10, 2008 issue of the journal Nature, the research reveals the shape of the Ebola virus spike protein, which is necessary for viral entry into human cells, bound to an immune system antibody acting to neutralize the virus. The structure provides a major step forward in unde...

Researchers reveal types of genes necessary for brain development

Researchers from Harvard Medical School and Brandeis University have successfully completed a full-genome RNAi screen in neurons, showing what types of genes are necessary for brain development. Details of the screen and its novel methodology are published July 4th in the open-access journal PLoS...

Scientists reveal the key mechanisms for affinity between transient binding proteins

This release is available in Spanish . Most of the functions performed by a cell are the result of interactions between proteins, which recognise their binding partner by affinity features localized on the protein surface. There are many kinds of interactions; however, the most complicated ...

Researchers reveal insights into hidden world of protein folding

The proteins upon which life depends share an attribute with paper airplanes: Unless folded properly, they just won't fly. But researchers have been puzzled by how the long, linear proteins cranked out by the ribosome factories in a cell are folded into the shapes they must assume to perform th...

Otters reveal their identity

This release is available in German . Leipzig. Researchers of the Helmholtz Center for Environmental Research have developed two new methods, in order to be able to better estimate the numbers of European Otters (Lutra lutra) and their effects on the fish farming industry. The researchers ...

Glowing films developed by UC San Diego chemists reveal traces of explosives

New spray-on films developed by UC San Diego chemists will be the basis of portable devices that can quickly reveal trace amounts of nitrogen-based explosives. Contaminated fingerprints leave dark shadows on the films, which glow blue under ultraviolet light. One of the films can distinguish be...

Scientists reveal the lifestyle evolution of wild marine bacteria

Marine bacteria in the wild organize into professions or lifestyle groups that partition many resources rather than competing for them, so that microbes with one lifestyle, such as free-floating cells, flourish in proximity with closely related microbes that may spend life attached to zooplankton ...

Researchers reveal structure of protein that repairs damage to cancer cells

A team of University of Chicago scientists has shown how two proteins locate and repair damaged genetic material inside cells. One protein detects and repairs damage in malignant cells that may result from a certain type of cancer therapy. In a paper published in the April 24 issue of the journ...

Lowly Icelandic midges reveal ecosystem's tipping points

MADISON - The midges that periodically swarm by the billions from Iceland's Lake Myvatn are a force of nature. At their peak, it is difficult to breathe without inhaling the bugs, which hatch and emerge from the lake in blizzard-like proportions. After their short adult life, their carcasses bl...
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