When judged by its size, our vocal system fails to impress as a musical instrument. How then can singers produce all those remarkable sounds?
Restoring order to the chaotic blood vessels inside a tumor opens a window of opportunity for attacking it. Surprisingly, drugs meant to destroy vasculature can make the repairs and may help reverse conditions that lead to cardiovascular disease and blindness
New research indicates that a cavity-fighting treatment could be risky if overused
Long considered fixed founts of molten material from deep within the planet, hot spots now join the list of moving parts
Nanosize machines need still tinier power plants
By 2050 solar power could end U.S. dependence on foreign oil and slash greenhouse gas emissions
This year's SciAm 50 awards are replete with instances of new machines or chemicals that come close to the true meaning of innovation as something entirely new.
Hospitals and Superbugs: Go in Sick ... Get Sicker
Nearly 100,000 people die every year from preventable infections they pick up in health care facilities.
Can a Lack of Sleep Cause Psychiatric Disorders?
Study shows that sleep deprivation leads to a rewiring of the brain’s emotional circuitry.
Mom’s Baby Talk Crucial for Baby
Adults have to engage in baby talk, regardless of the language they speak, so that babies can learn to talk like adults.
Video of a Sphere Turning Inside Out without Creasing
Check out Outside In, an animation that shows how to “evert” a sphere.
Strange but True
Snake Oil Salesmen Were On to Something
Snake oil really is a cure for what ails you, if that happens to be arthritis, heart disease or maybe even depression.
Deadline: Jul 30 2013
Reward: $100,000 USD
The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
Deadline: Jul 25 2013
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
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