jtnt://life/unedited

To do two things at once is to do neither.

Multi-tasking wastes time. That's right. You heard me. So, put down your cellphone, and take your hand out of that bag of chips, and take your third eye off the TV and pay attention!

"...Scientists at Carnegie Mellon put subjects in an M.R.I. machine and asked them to listen to complicated sentences at the same time that they mentally rotated geometric shapes. The two tasks activated different parts of the brain, but each region was operating at a suboptimal level. Here, then, was high-tech confirmation of the common-sense wisdom of Publilius Syrus, a Roman philosopher from the first century B.C., who warned, "To do [two] things at once is to do neither."