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Tag: "rest" at biology news

Chimp genome reveals a retroviral invasion

...-- 3% of human DNA codes for proteins. Much of the rest of our genomes -- often referred to as junk DNA -- consists of retroelements: genomic elements that are transcribed into RNA, reverse-transcribed into DNA, and then reinserted into a new spot in the genome. Human endogenous retroviruses make up one c...

Scientists analyze chromosomes 2 and 4

...he sequence of chromosomes 2 and 4, as well as the rest of the human genome sequence, can be accessed through the following public databases: GenBank (www.ncbi.nih.gov/Genbank) at NIH's National Center for Biotechnology Information (NCBI); the UCSC Genome Browser (www.genome.ucsc.edu) at the University of...

Scientists use manufacturing methods to reconstruct mastodon

...ne, based on measurements and comparisons with the rest of the skeleton. Now, however, Fisher and his team are using 3-D digitization, modeling and rapid prototyping—technologies that are widely used in manufacturing, especially in the automobile industry—to produce full-scale replicas of the bones they ...

Researchers Identify Cause of Early Bird Sleep Disorder

...others are bothered by being out of phase with the rest of the world." He said the FASPS subjects don't seem to sleep any more or less than other people; they just sleep at different times. And there is apparently no connection to the better-known problem called narcolepsy. Ptacek said it was also found...

Asymptomatic HIV babies could use earlier treatment

...s will develop AIDS by around 4 months of age. The rest will not have advanced symptoms until they are about 6 years old. The study, published May 11 in the Journal of the American Medical Association, suggests that early treatment might be appropriate for at least some apparently healthy infected infants...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

...s nor offspring show counterbalancing increases in rest that would indicate accumulated sleepiness. All mammals previously studied have maximum rest or sleep behavior at birth with amounts gradually decreasing to adult levels. In fact, past findings...

Climatologists discover deep-sea secret

...sinks to the ocean floor and is transported to the rest of the Atlantic, reducing the salinity of the North Atlantic Ocean and strength of the gulf stream. Nevertheless, the researchers have observed a decrease in the volume of freshwater sinking to the floor of the South Atlantic Ocean. According to Rain...

New understanding of cell movement may yield ways to brake cancer's spread

...ion it is about to go, followed by movement of the rest of the cell," Vuori said. Now, the researchers are looking at developing a three-dimensional picture of PIP3 -binding domain's molecular structure. "We are currently planning these structure studies with our collaborators here at the Burnham," Vuori...

Scientists discover global pattern of big fish diversity in open oceans

...wning ground. Now it is indistinguishable from the rest of the ocean. The loss of diversity means that where fishermen might have once caught 10 different species in an area on average, now they catch only five. "It's not yet extinction; it's local fishing out of species," says Myers. "Where you once had...

Drug Offers Alternative to Surgical Treatment After Miscarriage

...ere assigned at random to receive misoprostol. The rest of the women underwent vacuum aspiration. The women in the misoprostol group were treated with 4 vaginal doses of misoprostol, each containing 200 mcg. of the drug. If the uterus had not expelled its contents by the end of three days, the women recei...

Sleeping Sickness Epidemic Spreading in Uganda

...ere assigned at random to receive misoprostol. The rest of the women underwent vacuum aspiration. The women in the misoprostol group were treated with 4 vaginal doses of misoprostol, each containing 200 mcg. of the drug. If the uterus had not expelled its contents by the end of three days, the women recei...

Going To Extremes To Improve Human Health

...scular and respiratory systems of subjects both at rest and when exercising," Minson explained. "It's already opening up new realms for our research mission." One example of the chamber's potential is enhancing researchers' ability to explore fatigue. "Physical and mental fatigue may not be commonly perc...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

... hotspots contain more genes, on average, than the rest of the genome. The team was led by Harris A. Lewin, Ph.D., of the University of Illinois at Urbana-Champaign, and William J. Murphy, Ph.D., of Texas A&M University in College Station. Mapping data for the dog genome were provided by NHGRI's Elai...

Deep sleep short-circuits brain's grid of connectivity

...the brain. At the same time, we can record how the rest of the brain is responding." The new technique promises science a way to see how the different areas of the brain communicate, Tononi says. Beyond helping illuminate the secrets of consciousness, the new study, which was directed in part by Marcell...

Frog peptides block HIV in lab study

...the brain. At the same time, we can record how the rest of the brain is responding." The new technique promises science a way to see how the different areas of the brain communicate, Tononi says. Beyond helping illuminate the secrets of consciousness, the new study, which was directed in part by Marcell...

Micro-molecule plays big role in birth defects

...vity of microRNAs from a specific tissue while the rest of the tissue remains normal." Had researchers inhibited microRNAs in every single cell, Harfe said the mouse embryos would survive little more than seven days after fertilization. "That isn't enough time to study development," Harfe said. "Most st...

A new molecule discovered in the battle between plants and disease

...at appears to act like a hormone, signaling to the rest of the plant to raise its defenses at the first sign of an infection. They also discovered the receptor protein to which Pep1 binds to exert its protective effects. Pep1 was isolated from the plant Arabidopsis thaliana, which is a species favored by...

Fundamental discovery -- Bone fracture

...ensity peaks around age 30, then decreases for the rest of his or her life. By the time the person becomes elderly, very serious bone loss may have occurred. "As if this weren't bad enough, it is also true that the materials properties of the bone decrease with age," said Hansma. "Not only is there less ...

New Lab Research May Help Those Deafened By Immune System Attack

...ins. Twenty-six had lost hearing in both ears, the rest in the left or right ear. They had no known cause for hearing loss, and most had lost their hearing gradually over weeks, though eight had lost it over hours or days. Many also had dizziness, ringing or a sensation of fullness in their ears. In all, ...

Plant pathologists evaluate eco-friendly alternatives to methyl bromide

...etable or ornamental production in Florida and the rest of the U.S.," Rosskopf said. Attempts to identify chemical alternatives to methyl bromide have led to the re-examination of existing soil fumigants. "While an emphasis is currently being placed on the short-term chemical replacements for methyl brom...

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