Science created your baby's favorite song

Researchers in England recently created the first song that's scientifically engineered to make babies happy. They figured out the ideal tempo . . . incorporated sounds they like . . . tested it out on 25 kids . . . and it was a huge hit.

So what do babies like? They like the word "boo," they like dogs barking, and they like the sounds of other babies.

And here's the result ...