BACKGROUND While recent decades have seen gradual convergence in ethno-racial disparities in completed fertility in the United States, differences in the age pattern of first births remain. The role ...

BACKGROUND Rapid population aging and increasing racial/ethnic and immigrant/native diversity make a broad documentation of U.S. health patterns during both mid- and late life particularly important.

Flight path art, or sky art, aren't new with contests having been held before as pilots create artistic designs in the sky by ...

Tim Pearson, a private pilot from Bowling Green, Ohio, gained unexpected fame after creating a flight pattern that traced a ...