(CNN) — A rare eye condition helped Leonardo da Vinci paint distance and depth of objects on flat surfaces with the accuracy which he became famous for, new research claims. Da Vinci, one of the world's
As we all take a moment to mourn the impending loss of CBS’ hit show “The Big Bang Theory,” let us also bow our heads in memory of the outdated origin theory of our universe that shares the same name.
Gear up for the cyclist on your list! Most die-hard cyclists have done their research and have built up a plethora of gear over time, so buying gifts for them can be quite the task. But we all know someone
By Robert J. Samuelson Robert J. Samuelson Columnist focusing on economics Bio Columnist The untold story of the world economy — so far at least — is the potentially explosive interaction between the trade
By Chris Mooney Chris Mooney Reporter covering climate change, energy and the environment. Email Bio Follow Two years ago, former NASA climate scientist James Hansen and a number of colleagues laid out