Old bones unearth new date for giant deer's last stand
...reviously thought to have been wiped out by a cold spell 10,500 years ago, instead survived well into the modern era. University College London (UCL) scientists scoured the continent to collect dozens of ancient bones and teeth which, when radiocarbon dated, revealed that the Eurasian giant deer survived ...FSU scientist links iron imbalance to Parkinson's disease
...ing can be bad. Dietary iron imbalances either way spell trouble for healthy cells, triggering a chain of cellular events in the brain that increases the odds of developing Parkinson's disease, a degenerative condition affecting movement and balance in more than 1 million Americans each year. But excessive...Research points to new theory driving evolutionary changes
...he letters A, C, T and G. Strings of these letters spell out the genetic instructions needed to carry out all of life's functions. Most scientists agree that over very long periods of time, mutations in the genetic code are responsible for driving evolutionary changes in species. One widely accepted hypoth...Unusual reproductive behavior of odd ants surprises scientists
...aboratory technology.) "If males could, that might spell the end of a colony, as males may prefer to mate with a queen of the same lineage," Rissing said. In theory, a male ant wants his genes to live on. If his sperm fertilizes an egg from a queen with a different lineage, his genes will die with the ster...Beer-drinking rats count calories better than many people, UF researchers say
...ignore the same instinct -- a shortcoming that can spell dietary disaster. "Behavior in humans is complicated because we are bombarded by social and marketing factors that stick food in front of our face every which way we turn," said Neil Rowland, a professor of psychology who studies the neural mechanis...Urgent measures needed to retain our lead in pharmaceuticals
... academic and industry scientists has been keen to spell out what they see as the ethical problems associated with this technology and to propose possible solutions." Lest we are led to infer a sudden rush of altruism he goes on to say that this stance arises out of a perceived need to set parameters for p...New study explains process leading to many proteins from one gene
..., T and G. Strings of these letters form genes and spell out genetic instructions. Tandem repeats have DNA sequences with the same series of letters repeated many times, such as CACACACACACA. Tandem repeats are "hot spots" where errors can easily be made during the copying process; for example, an extra ...A little stress gives beneficial oomph! to immune system
...rward and backward. This restraint created a brief spell of psychological stress, similar to the kind of stress a person anticipating or undergoing a dental or surgical procedure may feel. The other group of mice the non-stressed group remained in their home cages. Once the stressed mice were removed fro...Scientists journey to southern Africa to unravel the secret world of elephant communication
...ill like statues for several seconds. Finally, the spell is broken, and the quartet of bulls ambles back to the waterhole to resume drinking and socializing. Synchronized freezing is a common behavior in the wild, even among large herds of 20 or more. Remaining motionless seems to enable elephants to focus...Insulin pulses keep the liver lean
...n. Resulting hikes in blood sugar and fat can also spell diabetes and heart disease, Najjar added. "When we eat, the pancreas produces insulin, which stimulates the absorption of sugar and fat by the liver," Najjar said. "But in today's Western society, large portions and frequent munching may lead insulin...Study reveals genomics of inflammation from severe injury
...rchers hope to identify the molecular markers that spell sepsis. The research team zeroed in on white blood cells, which help fight infection and disease and trigger inflammation. The scientists analyzed the activity of tens of thousands of genes from these cells, which were taken from the volunteers at r...Cancer scientists call for a large-scale human epigenome project
... a bracelet from the linear string of letters that spell out the genetic code. Now, an international group of 40 leading cancer scientists says the time is ripe to undertake a large-scale international "Human Epigenome Project" designed to map the chemical modifications to DNA that comprise the epigenetic ...Study fishes out new role for prostaglandins
...ocess." While 'bad timing' during development can spell the end for an embryo, finding ways to exploit this pathway could have beneficial effects in cancer cells. "The pathways important for regulating development are also dysregulated in cancer," said DuBois, who studies prostaglandin signaling in colon...Baylor Human Genome Sequencing Center marks end of sequencing effort with chromosome 3
...etic letter sin the human genetic doe and how they spell out the genes of mankind," said Weinstock. Sequencing chromosome 3, which contained 199 million bases (or chemicals that are the building blocks of DNA), also involved scientists from The University of Texas Health Science Center at San Antonio, the ...The greenbeards have blue throats in a breakthrough study of the evolution of altruistic behavior
...ds have an annual life cycle, so this behavior may spell the end of the altruistic male's lineage. The evolution of cooperation is puzzling because cooperative systems are vulnerable to cheaters or defectors. Cheaters and defectors benefit from the cooperative behavior of others without paying the costs, ...JCI table of contents, June 1, 2006
...sweet it isn't: repeat episodes of low blood sugar spell diabetic disaster Low blood glucose (hypoglycemia) can occur when a person with diabetes has injected too much insulin, eaten too little food, or exercised without extra food. They may experience nausea, sweating, faintness, and confusion. In reacti...Newly discovered gene may hold clues to evolution of human brain capacity
...s are subunits of DNA, the As, Cs, Ts, and Gs that spell out the genetic code). This similarity means the DNA sequence remained unchanged over hundreds of millions of years of evolutionary history, an indication that it performs a biologically important function. But sometime after the human lineage diverg...ACS news service Weekly PressPac -- August 16, 2006
...izing about the origins of the "M-word," which can spell disaster for wine makers, scientists are focusing on two groups of bacteria, according to a report scheduled for the Sept. 6 issue of ACS' Journal of Agricultural and Food Chemistry. The M-word is "mousy," as in mousy off-flavor. It refers to an ex...Biologists probe the machinery of cellular protein factories
...rk in living cells, and the DNA sequences in genes spell out the instructions for making those proteins. The crucial job of reading the genetic instructions and synthesizing the specified proteins is carried out by ribosomes, tiny protein factories humming away inside the cells of all living things. Harr...... the process would translate into huge savings and spell relief for environmental engineers. David Jenkins is Professor Emeritus of Environmental Engineering at the University of California at Berkeley. His research spans some forty years of international professional practice in water and wastewater ch...