MUSIC
2017 Grammy Awards: Complete list of nominees

Stem cell research

Stem cell researcher Tadashi Sato holds a dish containing stem cell growth medium, at the University of Nebraska Medical Center, in Omaha, Neb. on Monday, the same day President Obama signed an executive order permitting stem cell research. The University of Nebraska Medical Center's associate vice chancellor of academic affairs Dave Crouse said the lifting of a ban on using federal dollars for embryonic stem cell research marks a "big day for science."
AP photo by Nati Harnik
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