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Climate Change, Not Human Activity, Led to Megafauna Extinction
May 6, 2013 — Most species of gigantic animals that once roamed Australia had disappeared by the time people arrived, a major review of the available evidence has concluded. The research challenges the claim that ... > full story -
The Black Sea Is a Goldmine of Ancient Genetic Data
May 6, 2013 — When one marine paleoecologist was mining through vast amounts of genetic data from the Black Sea sediment record, he was amazed about the variety of past plankton species that left behind their ... > full story -
Boosting 'Cellular Garbage Disposal' Can Delay the Aging Process
May 6, 2013 — Biologists have identified a gene, previously implicated in Parkinson's disease, that can delay the onset of aging and extend the healthy life span of fruit flies. This research has important ... > full story -
Breast Milk Ingredient Could Prevent Deadly Intestinal Problem in Preemies
May 6, 2013 — An ingredient that naturally occurs in breast milk might be used to prevent premature babies from developing a deadly intestinal condition that currently is largely incurable, according to ... > full story -
Saving Money on Medical Costs: Slowdown in Health Care Spending Growth Could Save Americans $770 Billion
May 6, 2013 — A slowdown in the growth of US health care costs could mean that Americans could save as much as $770 billion on Medicare spending over the next decade, economists say. The slowdown, researchers ... > full story -
New Technique to Track Cell Interactions in Living Bodies Developed
May 6, 2013 — Researchers have developed a new technique to see how different types of cells interact in a living ... > full story -
Personalized Bone Substitutes Created from Skin Cells
May 6, 2013 — Scientists have made patient-specific bone substitutes from skin cells for repair of large bone defects. The study represents a major advance in personalized reconstructive treatments for patients ... > full story -
Bats Use Blood to Reshape Tongue for Feeding
May 6, 2013 — Scientists have found that a species of bat uses blood flow to reshape its tongue while feeding. The quick dynamic action makes the tongue an effective "mop" for nectar and could even inspire new ... > full story -
Effects of Stress on Brain Cells Offer Clues to New Anti-Depressant Drugs
May 6, 2013 — New research reveals the detailed mechanism behind how stress hormones reduce the number of new brain cells -- a process considered to be linked to depression. The researchers identified a key ... > full story -
Competing Antibodies May Have Limited the Protection Achieved in HIV Vaccine Trial in Thailand
May 6, 2013 — Continuing analysis of an HIV vaccine trial undertaken in Thailand is yielding additional information about how immune responses were triggered and why the vaccine did not protect more ... > full story
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