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ScienceDaily: Latest Science News
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Darwin Was Right About How Evolution Can Affect Whole Group
Worker ants of the world, unite! You have nothing to lose but your fertility. The highly specialized worker castes in ants represent the pinnacle of social organization in the insect world. As in any society, however, ant colonies are filled with internal strife and conflict. So what binds them together? More than 150 years ago, Charles Darwin had an idea and now he's been proven right.
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Biomarkers Used To Predict Chronological And Physiological Age
How old are you really? Chronological age is easy -- count forward from birth. But establishing physiological age is purely subjective, based on how someone looks, feels and functions. Research in nematode worms is providing a crucial first step toward the development of biomarkers to predict chronological and physiological age in humans. This technology could facilitate testing of anti-aging therapies as well as give physicians a means of tracking how individuals "withstand the tests of time."
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Works Of Art Shed New Light On Climate Change
Paintings, watercolors and prints can be used by those who manage Britain's coastlines to look back in time and better understand the threat of rising sea levels and climate change.
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What Controls Critical 'Go-to' Enzyme: Findings May Hold Key To Better Treatments For Many Disorders
Scientists have gained new insights into regulation of one of the body's enzyme workhorses called calpains. As the cell's molecular overachievers, calpains function in many cellular processes, including the movement of cells in tissues, the death of damaged cells, insulin secretion, and brain cell and muscle function. The downside of this broad set of responsibilities is that defective or overactive calpains have been linked to an array of disorders, including a form of muscular dystrophy, Type 2 diabetes, gastric cancers, Alzheimer's and Parkinson's diseases, cataracts, and the death of both heart muscle in heart attacks and of brain tissue in stroke and traumatic brain injury.
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'Enlightened' Atoms Stage Nano-riot Against Uniformity
Theorists say atoms in a crystal can be made to behave in an unexpected way, a way that can be exploited to create tiny computer components that emit less heat and new sensors to detect bio-hazards and medical conditions.
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Crisis Of Illicit Alcohol In Central And Eastern Europe, Report Finds
The consumption of illicit or noncommercial alcohol is widespread in central and eastern Europe and contributes significantly to the region’s high levels of alcohol-related problems, according to a new report. While illegal alcohol consumption in western Europe is relatively low, the report finds the level of noncommercial alcohol in central and eastern Europe is so high that it renders statistics on official alcohol sales nearly useless.
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Potential Sources Of 'Rain-Making' Bacteria In The Atmosphere Identified
Scientists recently found evidence that bacteria and biological cells are the most efficient ice-forming catalysts in precipitation from locations around the globe. The formation of ice in clouds is important in the processes that lead to snow and rain. Ice-nucleating bacteria -- which have been referred to as "rain-making bacteria" -- may be significant triggers of freezing in clouds and influence the water cycle.
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Neurons Derived From Embryonic Stem Cells Restore Muscle Function After Injury
Researchers have discovered that embryonic stem cells may play a critical role in helping people with nerve damage and motor neuron diseases, such as amyotrophic lateral sclerosis (ALS), regain muscular strength.
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The Tooth Whisperers
The phrase, "the eyes are the windows to the soul," is attributed to several authors and philosophers. But the phrase, "your teeth are the windows to your health," can be attributed to Mohamed Bassiouny, DMD, MSc, PhD, who has been studying how teeth provide important clues to his patients' overall health for more than 30 years.
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Deep Brain Mapping To Isolate Evidence Of Gulf War Syndrome
As a congressionally mandated report reveals one of every four veterans of the 1991 Persian Gulf conflict suffers from Gulf War syndrome, statistical scientists are analyzing brain scan images from a nationwide sample of veterans displaying symptoms.
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