clipped from: www.nytimes.com   

LONDON — It was 2:30 in the morning, and Marc and Jo Stephens were at home in Redruth, Cornwall, when Ms. Stephens realized that their fourth child was about to be born, three weeks early.

Mr. Stephens, a 28-year-old navy engineer, applied the lessons he had learned earlier in the evening when, after his wife began labor, he typed “how to deliver a baby” into the Google search engine on his computer.

“I watched a couple of clips on YouTube,” Mr. Stephens said.