Genomics throws species definition in question for microbes
Until a decade ago, scientists categorized microorganisms almost exclusively by their physical characteristics: how they looked, what they ate, and the by-products they produced. With the advent of genomic sequencing and genetic analysis in the 1990s, our understanding of the relationships between different microorganisms fundamentally changed. In light of this new knowledge, what exactly is th...Health care economics make definition of 'cost' problems difficult
About one in seven Americans (15.7 percent) lack health insurance. Thats just short of 46 million people. According to the latest federal figures, health spending accounts for 15.3 percent of the nations economy. Healt...A High-Definition Hearing Aid that thinks for you
Hearing loss affects all ages. Standard hearing aids amplify all sounds, which makes hearing one sound difficult. Now, there's a new option say researchers. New, all-digital hearing aids are changing that.// This version of this hearing aid automatically distinguishes between speech and sounds.Audiologists say, "The key reason somebody comes in for a hearing aid is that they find that...New Definition Helps Identify Children at Risk of Metabolic Syndrome
The International Diabetes Federation (IDF) has launched a new definition to identify children and adolescents at increased risk of developing type 2 diabetes and cardiovascular disease in later life. The definition is published in The Lancet(1) today. The metabolic syndrome is a cluster of the most dangerous risk factors for type 2 diabetes and cardiovascular disease. Its early...