Tag: "mysterious" at biology news

Scientists discover how brain draws and re-draws picture of world

...when we're ready to drink -- is one of our brain's mysterious abilities. Now, by conducting experiments with robots and humans, scientists at Johns Hopkins have solved part of this mystery and created a new computer model that accurately reflects how the brain uses experience to improve motor control. "No...

A new hypothesis on the origin of 'junk' DNA

.... 21 issue of Science . The hypothesis explains a mysterious genetic difference between bacteria and eukaryotes, a giant group of organisms that includes animals, plants, fungi, algae and other protists. Bacteria tend to have extremely lean genomes; their genes barely fit into them, without much genetic materi...

US crackdown on bioterror backfiring

...urity, then be held criminally accountable for any mysterious disappearance when it is almost certainly only sloppy record keeping," says another researcher, "then I'll work on Paramecium [a pond protist] and leave the select agents to someone else."...

Abnormally high number of Lou Gehrig's disease cases identified among Gulf War veterans

...l Association (JAMA). His studies traced veterans' mysterious illnesses to damage to deep brain structures from wartime exposure to combinations of chemicals, including low-level nerve agents, that drifted over thousands of soldiers when U.S. forces detonated Iraqi chemical stores. Symptoms of Gulf War syndrome...

SPR Annual Meeting features newsworthy discoveries

...s have been trying to find where in the brain this mysterious pain is represented. Recently, subjects with non-painful phantom limb syndrome--people who could still feel their missing limb, but who weren't in discomfort--were tested by applying very mild electrical current to the stump of the amputated limb wh...

New study of Europa may explain mysterious ice domes, places to search for evidence of life

... doctoral student Amy Barr previously believed the mysterious domes may be formed by blobs of ice from the interior of the frozen shell that were being pushed upward by thermal upwelling from warmer ice underneath. Europa is believed to harbor an ocean beneath its icy surface. But the scientists now think the ...

JCI Table of Contents, 15 August 2003

...overed 15 years ago and was suitably named for its mysterious lack of relationship to known proteins and signaling pathways. Since then Cripto has been shown to play an essential role in embryonic development. It has also been shown to act as a coreceptor for Nodal, a member of the TGFbeta family. Cripto appear...

From studies of a rare human mutation to new approaches to herbicides or antibiotics

...ures because of a mutation now explains previously mysterious results of experiments concerning the naturally occurring PBGS activity in plants and bacteria. Based on these new insights, it may be possible to develop chemical compounds that specifically shut down plant or bacterial forms of PBGS, providing a n...

Virus researchers close in on the secret life of DNA

Z-DNA, a long-known but still mysterious alternate configuration of DNA, is involved in cellular defenses against viral attack according to the results of a series of experiments linking Z-DNA binding proteins with lethality in pox viruses. The research appears may point towards important...

New book entertainingly tells 'What Good Are Bugs'

...ier. Another more recent personal story involved a mysterious infestation in his home in Urbana, Ill., where caterpillars had been eating grain products in the pantry. It was discovered that seed-eating meal moths came home aboard "two necklaces of prettily dyed corn kernels" he had purchased for his wife on a...

U of MN researchers identify protein that causes cell nucleoli to disassemble

...work shows that it is possible to dissect the very mysterious process cloning with a biochemical approach and identify key players in it....

New research tools are opening the 'black box' of coastal ecosystems

...gate, coastal ecosystems have traditionally been a mysterious "black box." But, at least four emerging research tools in oceanography and marine ecology are now opening new doors to shed light on coastal ecosystems, researchers noted in a peer-reviewed article forthcoming in Frontiers in Ecology and the Enviro...

From da Vinci to Monet: Understanding how artists can manipulate the human visual system

...isual perception behind the Mona Lisa's unique and mysterious smile in honor of the painting's 500th anniversary. Livingstone's previous study of the Mona Lisa appeared in Science (November 17, 2000) and explained the brain's processes in how and why we interpret the Mona Lisa's smile as so elusive and myst...

How the nose knows a rose-or a mate

...scovering how the brain identifies odors and their mysterious counterparts, the pheromones. New research, to be presented today at the American Association for the Advancement of Science (AAAS) Annual Meeting and forthcoming in the journal, Science, explains how the mouse brain is exquisitely tuned to recognize...

Listen up! Infrasound is talking

...frasound may help scientists understand "sprites," mysterious and colorful above-cloud lightning. Milton Garces is using infrasound to answer deep questions--literally deep questions. Garces uses infrasound to study the physical and chemical evolution of volcanic eruptions. "Volcanic infrasound provides a valua...

Researchers record first 'pheromone images' in brains of mice

...stitute researchers are beginning to unravel how a mysterious sixth sense guides animal attraction. The scientists have made the first-ever recordings of patterns of brain activity in a mouse as it explores the sex and identity of a newly encountered animal. The research team, led by Lawrence C. Katz , a Howar...

Purdue researchers connect life's blueprints with its energy source

...letters, the upshot is that now one of life's most mysterious and ancient storehouses of information can be moved by one of its most important fuels. The discovery could shed light on the fundamental role RNA plays in the creation of living things. "RNA could be even more of a key player than we realize," said...

Cat parasite killing otters; Michigan's perch pressured; HACCP for medicine

...ng Sea Otters Offering a partial explanation to a mysterious decline in Southern Sea Otter population, California Sea Grant researchers have established a strong body of circumstantial evidence linking cats to a lethal otter disease. University of California at Davis professor Patricia Conrad and doctoral stud...

'Knot' to be undone, researchers discover unusual protein structure

...ull range of protein shapes will shed light on the mysterious process proteins use to fold into a three-dimensional structure from a linear chain of amino acid subunits. Ideally, scientists would like to be able to predict the shape of a protein from the sequence of the gene that codes for it. This ability coul...

A new twist on an age-old problem: Making knee replacements last

...nee arthritis itself an area that has long proven mysterious because it is so difficult to determine what is happening inside the knee as a person walks. The team is seeking to predict inner forces on the knee using computer models, CT scans and reverse-engineering software produced by Research Triangle Park-b...

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