UKAstroNut's video: Science News 9 2 15

In your weekly science news, Planck finds evidence of the first stars in the universe, NASA satellites approach the dwarf planets Ceres and Pluto, and chimps change their grunts to fit in with the locals. This is your weekly science news with me, the UKAstroNut! Twitter: https://twitter.com/UKAstroNut Website: http://www.ukastronut.co.uk Blog: http://stranger-than-science-fiction.blogspot.co.uk/ Image credits: "Ilc 9yr moll4096" by NASA / WMAP Science Team - http://map.gsfc.nasa.gov/media/121238/ilc_9yr_moll4096.png. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Ilc_9yr_moll4096.png /File:Ilc_9yr_moll4096.png "Encounter 01 lg" by Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute - http://pluto.jhuapl.edu/gallery/artistConcepts/artistConcepts_01.html. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Encounter_01_lg.jpg /File:Encounter_01_lg.jpg "2006-12-09 Chipanzees D Bruyere" by Delphine Bruyere - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:2006-12-09_Chipanzees_D_Bruyere.JPG /File:2006-12-09_Chipanzees_D_Bruyere.JPG