It's not an uncommon problem - it happened to McDonald’s, it happened to IBM, and it even happened to Apple, says Nancy Koehn, professor of business administration at Harvard. 

In this excerpt from his lecture for The Floating University, Dr. Kaku explains that time machines do not violate Einstein's laws of physics, and that future humans would be wise to build one and slip through a wormhole before the cooling universe extinguishes all known life. 

Legal experts have joined the chorus of complaints about the proposed PROTECT IP and the Stop Online Piracy Act (SOPA) legislation, saying they'll hinder bids for better online security.

As patient records have been digitized, an unintended consequence is that health data breaches have surged. The number of reported breaches is up 32 percent this year.

What would you do if Google, Facebook, Paypal or another site you and your business depend on suddenly decided, on the basis of a fraud detection algorithm, you were dodgy?

Read Write Web's top stories about how the social web has helped us answer questions in 2011 includes the discovery of prehistoric earth-art and a photo archive of all species.

Facebook predicts that for the foreseeable future, the amount of information we share on the Web will double every year. Are we headed for an avalanche of daily trivialities?

Nine months into Syria's uprising and the peaceful protests against the regime of Bashar Assad are now accompanied by a growing insurgency.

Will the conflict between intellectual property and the value of sharing knowledge be resolved?  

Kim Jong-un's youth means he's likely to keep his head down for a few years while North Korea is run by elder statesmen. Stability is expected to ensue, which China will welcome.  

Withdrawing the troops from Iran is about the only truly popular thing Obama has done in the last two years. But many still think the invasion was the right decision.

Europe is falling apart, and a frustrated international community appears unwilling to lend Beijing a hand. China’s problems are still manageable, but they require strong leadership.

Along with Nelson Mandela and Lech Walesa, the former Czech Republic president and leader of the Velvet Revolution was seen as an emblem of democracy for millions worldwide.

Scientists have found a fascinating pattern: children better at combining sights and sounds tend to score higher on intelligence tests. Ability to compute conflicting information is key.

Research shows that too few or too many adverse experiences generally leave people with worse coping skills than those who have had 'the optimum' number of bad times.  

Freelance writer and editor Molly Oswaks on how first cocaine and later an ADD diagnosis and medication gave her clarity and attention consistency after a life mostly spent adrift.

  A systematic review has shown that psychological interventions to prevent depression in children and adolescents have protective effects that last for up to a year.   

A new procedure that involves inserting electrodes into the brain shows promise in reducing seizures for people with epilepsy, thereby improving their quality of life.

In a watershed moment for chimpanzee research, the US Institute of Medicine says “most current use of chimpanzees for biomedical research is unnecessary.”