Search for these applications in iTunes:
Louvre Museum: From the most important museum in Paris. According to Lifehacker, this “amazingly slick free app provides a virtual tour of its galleries and lets users check out the works of everyone from DaVinci to Michelangelo. The app gets you up close and personal with paintings, drawings, prints, sculptures, and even the French Crown Jewels.”
TED: TEDTalks need no introduction. They’re perhaps the most popular video lectures on the web, featuring talks by “the world’s leading thinkers and doers.” Now you can access these talks on your mobile phone too.
Brain Tuner — presents you with 20 to 100 math problems and asks you whether the solutions provided are right or wrong. It times you and presents a score based on accuracy