Carrie Kahn is NPR's International Correspondent based in Rio de Janeiro, Brazil. Kahn's reports can be heard on NPR's award-winning news programs including All Things Considered, Morning Edition ...

Country music star Carrie Underwood has spoken up about her support of same-sex marriage in a recent interview. As June marks Gay Pride month, several celebrities are voicing their beliefs.

Structural variants in the human genome include cytogenetically detectable and submicroscopic deletions, duplications, large-scale copy-number variants, inversions and translocations. The ability ...