A black hole is a place in Washington, DC, where all our tax dollars go. Just kidding! A black hole is perhaps the strangest object in the universe. It is the remains of a massive dead star that has run out of fuel and collapsed.
A nonsense string of words devised by MIT researchers investigating speech errors and brain functions proved so difficult that no test subjects could repeat the phrase -- clearly marking it as the world’s toughest tongue twister.
Security experts say passwords for more than 2 million Facebook, Google and other accounts have been compromised and circulated online, just the latest example of breaches involving leading Internet companies.