Is the evidence for human 'replacement' really clear?
...ly localized human population increases during the mild climatic conditions of late Oxygen Isotope Stage 3 (57,000-24,000 years ago) that could correspond with some of the isolated incidences we see of symboling, Clark said. Similarly, when much of northern Europe became glaciated during Oxygen Isotope S...Unusual virus identified in aborted calf
...another, and cause disease symptoms that vary from mild to deadly. Vesiviruses have been shown to infect swine, seals, cats, dogs, cattle, snakes, whales, primates and humans, among others. The diseases they have been associated with include blisters, hepatitis, diarrhea, abortion, pneumonia, encephalitis...Nabi experimental vaccine reduced Staph aureus bloodstream infections by nearly 60 percent
...re similar to other vaccines. They were generally mild to moderate and included induration, erythema, pain and heat at the injection site and malaise and myalgia. These reactions typically resolved within one or two days. Because the data showed the ability to reduce S. aureus bacteremia for up to 40 w...Virulence molecules found for poultry bursal virus
...npredictable nature of the Gumboro outbreaks, from mild to severe, is due to the ability of the virus to mutate and adapt in chicken tissues and continue to threaten the industry. The discovery of the virus amino acids responsible for severe outbreaks will now help Vakaria to more rapidly respond to new...Satellites vs. mosquitoes: Tracking West Nile Virus in the U.S.
...those high-risk areas. The study suggests that a mild winter in 1998 to 1999 may have provided favorable conditions for mosquitoes to survive the winter, leading to a greater number of carriers in 1999. In that first year reported cases were found in three states. The number grew to 12 states in 2000, a...Other highlights in the Jan. 16 issue of JNCI
...ous cells of undetermined significance [ASCUS]) or mild (low-grade squamous intraepithelial lesions [LSIL]) abnormalities. Only about 5% of women with ASCUS and 10% of those with LSIL have a known precursor to cancer, called cervical intraepithelial neoplasia 3 (CIN3). Therefore, referring all women with...Discovery that common mood disorders are inherited together may reveal genetic underpinnings
...ample, have intense episodes of mania, others have mild mania, some with panic, some without. Gene expression is complex, and in these disorders, environmental factors and nature-nurture interactions are all certainly involved, says MacKinnon. Further studies of families with both panic and bipola...'Sperm and germ'-fighting contraceptive enters trials
...ter frequent use. BufferGel simply reinforces the mild acidity that occurs in the vagina naturally, says developer Richard Cone, professor of biophysics in Johns Hopkins Krieger School of Arts and Sciences. The normal acidity levels in the vagina can readily kill sperm and many of the germs that cause s...Influence of gender on upper airway structure and function during obstructive sleep apnea
.... These subjects had either no sleep complaints or mild snoring on history. Studies in which apneas and hypopneas were demonstrated were excluded from analysis. In the majority of subjects (85 percent), breaths for analysis were chosen from a five-minute segment of stable stage 2 sleep. For the remaining ...Phenotypic variability in cystic fibrosis
...haracteristic of CFTR is a reasonable predictor of mild disease. Such residual activity is often concordant between identical twins but less so between other siblings, implying that this cellular feature is under independent genetic control and that genes other than CFTR influence the clinical presentatio...Molecular basis of mental retardation uncovered
... and 1 in 4,000 females worldwide.Symptoms include mild to moderate cognitive and behavioral deficits as wellas subtle facial malformations. In addition, the brain cells, or neurons,of people with the disease have abnormal physical features: their"dendritic spines" - the finger-like projections on the end...Honey shines in athletic research, has scientific community abuzz
..., including honey and placebo. Honey produced only mild increases in blood sugar and insulin, prevailing over dextrose (glucose) and maltodextrin, and was similar to a popular commercial carbohydrate gel. This indicates that honey could be an effective pre-workout energy source that does not induce hypogl...APS August/September journal hot picks
... Genova, Genoa, Italy, examined nine subjects with mild asthma and eight with only rhinitis (allergy). Each individual underwent methacholine challenges. They were also exposed to allergen inhalation challenges, which were preceded and followed by bronchoalveolar lavage and bronchial biopsy. Results: The...Researchers find enzyme crucial to preservation of memories
...consolidate the memory that involves associating a mild shock to the footpads to the specific context of the chamber in which the shock is administered. In these experiments, memory acquisition could be more clearly separated from memory consolidation, said Tonegawa. These experiments demonstrated that th...University of Ulster spearheads giant leap forward in medicine
...forest frog venom for several years. They use very mild electrical stimulation to encourage the frogs to secrete their venom which is then broken down into its component parts in the hi-tech laboratory. After screening the venom the researchers are then able to explore its medical potential. Peptides obta...Studies offer data on potential impact of Reminyl on caregiver 'burden' in Alzheimer's disease
...antamine) the newest medication approved to treat mild to moderate Alzheimers disease can ease the burde... Included in the analysis were 435 patients with mild to moderate Alzheimer's disease who had been randomly assigned to receive either 24 mg of Reminyl da...Slight molecular tweak, and flu virus becomes a killer
...he virus, isolated from patients who suffered only mild respiratory symptoms, was also less pathogenic in mice. Flu viruses, like all viruses, depend on the cellular machinery of their hosts to reproduce and spread. The complicated surface landscape of a virus is the key it uses to attach to host cells a...Hot pepper oil may prevent salmonella in poultry
...tion is that the capsaicin appears to cause a very mild inflammation in the intestines," McElroy says. One theory shes investigating is the possibility that the presence of the capsaicin-induced inflammation might make it more difficult for the Salmonella to bind to the intestinal cells and, from there, t...The skin's acid coating: SFVAMC researchers explain its origin and how it maintains skin integrity
... with acid. While that might sound disturbing, the mild acidity of the skin's surface actually helps to maintain the strength and cohesiveness of the skin. Now researchers at SFVAMC have discovered where this acidity comes from, and they suggest how it may help to hold the skin together. The findings, ...Study detailing safety and efficacy of exisulind in treating recurrent prostate cancer
... viral infection. Elevations of liver enzymes were mild to moderate in severity, generally occurred early ...o exisulind treatment and most adverse events were mild or moderate and reversible. At the end of the study, investigators allowed those patients who had re...