Human Biology in Space

Today on CNN 10, we get an update out of Syria where rebel forces have toppled a dictator's regime. We also learn about new research aimed at unraveling mysteries about human biology in space. And we find out why some party essentials are being restricted in one US city that loves a celebration, before revealing some of the top words we loved saying this year. All this and more on today's CNN 10! Learn more about your ad choices. Visit podcastchoices.com/adchoices