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(PhysOrg.com) -- In the United States, ultrafast trading in financial markets between 2006 and 2011 was the underlying factor for over 18,000 extreme price changes, according to a new study.

Conventional wisdom has it that putting the words quantum gravity and experiment in the same sentence is like bringing matter into contact with antimatter. All you get is a big explosion; the two just don t go together. The distinctively quantum features of gravity only show up in extreme settings such as the belly of a black hole or the nascent universe, over distances too small and energies too large to reproduce in any laboratory.

Image: Illustration by John Hendrix The U.S. Food and Drug Administration today approved a new drug that tackles the underlying cause of cystic fibrosis (CF) in 4 percent of patients . The drug, called ivacaftor (brand name Kalydeco), acts by helping the body make better use of a protein that works incorrectly in cystic fibrosis patients.

The new drug Kalydeco is being hailed as a breakthrough in the treatment of cystic fibrosis, targeting the underlying genetic cause of the disease decreasing the symptoms. Dr. Jon LaPook reports.

Two decades ago individuals with cystic fibrosis (CF) had an average life expectancy of less than 30 years. A serious hereditary disorder that makes breathing and digestion difficult, cystic fibrosis still cannot be cured, but several drugs and supportive health regimens have helped extend the life span of many people to 40 years or more.

Creator of one of the best-selling video game franchises in history, Will Wright, rebuts criticisms of violent video games and gives optimism for educational entertainment. One of the best-selling video game franchises in history isn't about killing hookers, decapitating ninjas, or nuking aliens--it's about raising families and leading prosperous cities. Will Wright , creator of SimCity, the seminal city planning simulator, and the life-journey spinoff, The Sims, tells Fast Company that video game critics, especially critics of violent video games, have overlooked that there's little difference between the success of Grand Theft Auto and The Sims--and, why this fact should make educators optimistic for the future of deeply educational video games

UPS is testing trucks made of an ultra-light material that makes them more fuel efficient than their sheet-aluminum counterparts. UPS has the unfortunate task of figuring out how to deliver packages without bleeding cash in our resource-constrained world

In philosophy of mind, a “cerebroscope” is a fictitious device, a brain-computer interface in today’s language, which reads out the content of somebody’s brain. An autocerebroscope is a device applied to one’s own brain.