Smith, himself a stay-at-home dad and a journalist, mixes accessible summaries of social-science data with anecdotes drawn from interviews with couples in which the men have chosen, or have been compelled by economic circumstance, to become primary caregivers to their children. — Eduardo M. Pealver , Commonweal ,

He plays Chuck Bartowski, a computer-tech expert with the Buy More store's Nerd Herd … who unwittingly becomes a secret agent when government data is downloaded to his brain. — Michael Logan , TV Guide ,

As measurements get better and more data pour in, physicists will bring those errors under control and chart exciting new territory. But for many, the wait is a strain. — Charles Seife , Science ,