New and comprehensive molecular research confirms a deep evolutionary division among animals. This new tree of life divides all so-called “lower” metazoans (Placozoa, corals, sponges, and jellyfish) from “higher” animals (all other metazoans, from flatworms to chordates). Placozoans have also passed over comb jellies and other organisms as an animal that most closely mirrors the [...]
Simple aspirin may prevent liver damage in millions of people suffering from side effects of common drugs, alcohol abuse, and obesity-related liver disease, a new Yale University study suggests.
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Researchers have identified factors that affected evacuation from the World Trade Center Towers on Sep. 11, 2001. A research methodology known as participatory action research (PAR) was used to identify individual, organizational, and structural (environmental) barriers to safe and rapid evacuation.
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In the United States, nearly 13 percent of adults age 20 and older have diabetes, but 40 percent of them have not been diagnosed, according to epidemiologists. Diabetes is especially common in the elderly: nearly one-third of those age 65 and older have the disease.
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Researchers have now unraveled how yeast generates its transcripts and have come a step closer to understanding their function. The study redefines the concept of promoters (the start sites of transcription) contradicting the established notion that they support transcription in one direction only.
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Many of the 40 million American adults who suffer from anxiety disorders also have problems with balance. As increasing numbers of children are diagnosed with anxiety, researchers have discovered that the link between balance and anxiety can be assessed at an early age and that something can be done about it before it becomes a [...]
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New data disproves the recent theory that a large comet exploded over North America 12,900 years ago, causing a shock wave that traveled across North America at hundreds of kilometers per hour and triggering continent-wide wildfires. Scientists tested the theory by examining charcoal and pollen records to assess how fire regimes in North America changed [...]
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Just as the FDA is reconsidering the use of stimulants to treat asthma, a new study offers evidence to support a theory that an opposite approach to asthma treatment may be in order. Scientists are investigating whether beta-2 adrenoreceptor antagonists (beta blockers) might be a safer, more effective strategy for long-term asthma management. A new [...]
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New technology deployed on airplanes is helping scientists quantify landscape-scale changes occurring to Big Island tropical forests from non-native plants and other environmental factors that affect carbon sequestration.
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A preventive procedure to remove the unaffected breast in breast cancer patients with disease in one breast may only be necessary in patients who have high-risk features as assessed by examining the patient’s medical history and pathology of the breast cancer.
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