Identical twin U.S. astronauts to serve as research subjects - Fri 09 Aug 2013 05:41:PM
CAPE CANAVERAL, Florida (Reuters) - NASA's only identical twin astronauts are planning to serve as guinea pigs for studies investigating the genetic impacts of long-duration spaceflight.
Source: Identical twin U.S. astronauts to serve as research subjects
Source: Identical twin U.S. astronauts to serve as research subjects