Science Matters
All Top News -- ScienceDaily
Top science stories featured on ScienceDaily's home page.
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Sense of smell is our most rapid warning system
The ability to detect and react to the smell of a potential threat is a precondition of our and other mammals' survival. Using a novel technique, researchers have been able to study what happens in the brain when the central nervous system judges a smell to represent danger. The study indicates that negative smells associated with unpleasantness or unease are processed earlier than positive smells and trigger a physical avoidance response.
Math Matters
Mathematics News -- ScienceDaily
Explore a wide range of recent research in mathematics. From mathematical modeling to why some people have difficulty learning math, read all the math-related news here.
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New model points to solution to global blood shortage
A mathematical model of the body's interacting physiological and biochemical processes shows that it may be more effective to replace red blood cell transfusion with transfusion of other fluids that are far less in demand.