Protein That Can Extend Longevity, Most Detailed Video of a Star, and TDIH - The Messier Catalog is Started

The protein that may determine how long we live, and the most detailed video of a star ever shows bubbling gas on the surface. Plus, on This Day in History, The Messier Catalog is started - to let astronomers know what objects in the night sky aren't a comet.
Newly discovered gene may influence longevity | ScienceDaily
Astronomers track bubbles on star's surface | ScienceDaily
Who was Charles Messier? | BBC Sky at Night Magazine
Charles Messier - NASA Science
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